> ## Documentation Index
> Fetch the complete documentation index at: https://docs.zixflow.com/llms.txt
> Use this file to discover all available pages before exploring further.
# Error Codes
> Reference for error codes returned by the Zixflow AI API
API responses may include a numeric `code`, a `status` string (UPPER\_SNAKE\_CASE), and a human-readable `description`. Use this page to interpret errors and handle them in your application.
Error responses typically include `code`, `status`, and `description`. The `status` field is stable for programmatic handling; the `description` may be updated for clarity.
## General (90001–90099)
| Code | Status | Description |
| ----- | ----------------------- | ------------------------------------------------------------------------------------------- |
| 90001 | PROCESSING\_ERROR | An error occurred while processing the request. |
| 90002 | FAILED\_GENERATE\_ID | A system error occurred while creating a request. Please try again. |
| 90003 | FAILED\_CREATE\_REQUEST | An error occurred while creating the request. Please contact support if the issue persists. |
## Validation (90100–90199)
| Code | Status | Description |
| ----- | ------------------------------ | ------------------------------------------------------------- |
| 90101 | INVALID\_WORKSPACE\_ID\_FORMAT | The provided workspace ID does not match the required format. |
| 90102 | WORKSPACE\_NOT\_FOUND | The specified workspace was not found. |
| 90103 | INVALID\_RECIPIENT\_NUMBER | The recipient number is invalid. |
| 90104 | INVALID\_RECIPIENT\_EMAIL | The recipient email address is invalid. |
| 90105 | INVALID\_CHANNEL | The channel is invalid or not supported. |
## System (90200–90299)
| Code | Status | Description |
| ----- | ------------------------ | ------------------------------------------------------------- |
| 90201 | DATABASE\_NOT\_AVAILABLE | The database service is currently unavailable or unreachable. |
| 90202 | COUNTRY\_NIL | Country information not found for the workspace. |
| 90203 | CACHE\_NOT\_AVAILABLE | The cache service is currently unavailable or unreachable. |
## Pricing (90400–90499)
| Code | Status | Description |
| ----- | ----------------------- | ------------------------------------------------------- |
| 90401 | PRICE\_NOT\_FOUND | The price is not configured for the route or country. |
| 90402 | WALLET\_NOT\_FOUND | The wallet was not found for the workspace. |
| 90403 | FAILED\_PROCESS\_WALLET | Failed to process wallet deduction. |
| 90404 | LOW\_WALLET\_BALANCE | Insufficient wallet balance to process the transaction. |
## WhatsApp (90500–90699)
### General & template
| Code | Status | Description |
| ----- | --------------------------------- | -------------------------------------------------------------------------------------------- |
| 90501 | INVALID\_WHATSAPP\_PHONE\_ID | The provided WhatsApp phone ID is invalid or does not match the required format. |
| 90502 | INVALID\_WHATSAPP\_TEMPLATE\_NAME | The provided WhatsApp template is invalid or does not match the required format. |
| 90503 | WHATSAPP\_CATEGORY\_NOT\_FOUND | The provided WhatsApp message category is invalid or does not match the required format. |
| 90504 | DAILY\_LIMIT\_EXCEEDED | The daily limit has been exceeded for the WhatsApp message. |
| 90505 | UNSUPPORTED\_REQUEST\_TYPE | The provided WhatsApp request type is invalid or does not match the required format. |
| 90506 | UNSUPPORTED\_INTERACTIVE\_TYPE | The provided WhatsApp interactive type is invalid or does not match the required format. |
| 90507 | SERVICE\_WINDOW\_CLOSED | Service window is closed. Service messages can only be sent when the service window is open. |
### Message payload & body
| Code | Status | Description |
| ----- | ------------------------------------------------------ | ------------------------------------------------------------------------------------------------- |
| 90520 | INVALID\_MESSAGE\_PAYLOAD | The provided WhatsApp message payload is invalid or does not match the required format. |
| 90521 | WHATSAPP\_MESSAGE\_BODY\_REQUIRED | The provided WhatsApp message body is required but not provided. |
| 90522 | WHATSAPP\_MESSAGE\_BODY\_TOO\_LONG | The provided WhatsApp message body is too long and exceeds the maximum length of 4096 characters. |
| 90523 | WHATSAPP\_IMAGE\_ID\_OR\_LINK\_REQUIRED | The WhatsApp image payload must include either an 'id' or a 'link'. |
| 90524 | WHATSAPP\_AUDIO\_ID\_OR\_LINK\_REQUIRED | The WhatsApp audio payload must include either an 'id' or a 'link'. |
| 90525 | WHATSAPP\_DOCUMENT\_ID\_OR\_LINK\_REQUIRED | The WhatsApp document payload must include either an 'id' or a 'link'. |
| 90526 | WHATSAPP\_VIDEO\_ID\_OR\_LINK\_REQUIRED | The WhatsApp video payload must include either an 'id' or a 'link'. |
| 90527 | WHATSAPP\_LOCATION\_LATITUDE\_AND\_LONGITUDE\_REQUIRED | The WhatsApp location payload must include both 'latitude' and 'longitude'. |
| 90528 | WHATSAPP\_CONTACTS\_CONTACTS\_ARRAY\_CANNOT\_BE\_EMPTY | The WhatsApp contacts payload must include at least one contact. |
### Interactive messages
| Code | Status | Description |
| ----- | ----------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------ |
| 90530 | INVALID\_INTERACTIVE\_PAYLOAD | The interactive message payload is invalid. Please ensure it matches the required WhatsApp Business API format. |
| 90531 | INVALID\_INTERACTIVE\_TYPE | The interactive message type is invalid. Please provide a supported interactive type (button, list, carousel, etc.). |
| 90532 | WHATSAPP\_INTERACTIVE\_BODY\_REQUIRED | The interactive message body text is required. Please provide the message body content. |
| 90533 | WHATSAPP\_INTERACTIVE\_ACTION\_REQUIRED | The interactive message action is required. Please provide the action configuration for your interactive message. |
| 90534 | WHATSAPP\_INTERACTIVE\_ACTION\_BUTTON\_REQUIRED | The interactive message action button is required. Please provide at least one button in the action configuration. |
| 90535 | WHATSAPP\_INTERACTIVE\_ACTION\_SECTIONS\_REQUIRED | The interactive message action sections are required. Please provide at least one section for list-type interactive messages. |
| 90536 | WHATSAPP\_INTERACTIVE\_ACTION\_SECTIONS\_TITLE\_REQUIRED | The section title is required. Please provide a title for each section in your interactive message. |
| 90537 | WHATSAPP\_INTERACTIVE\_ACTION\_SECTIONS\_ROWS\_CANNOT\_BE\_EMPTY | The section rows cannot be empty. Please provide at least one row item in each section. |
| 90538 | WHATSAPP\_INTERACTIVE\_ACTION\_SECTIONS\_ROWS\_ID\_REQUIRED | The row ID is required. Please provide a unique identifier for each row in the section. |
| 90539 | WHATSAPP\_INTERACTIVE\_ACTION\_SECTIONS\_ROWS\_TITLE\_REQUIRED | The row title is required. Please provide a title for each row in the section. |
| 90540 | WHATSAPP\_INTERACTIVE\_ACTION\_BUTTONS\_MAX\_3\_BUTTONS | Interactive message buttons are limited to a maximum of 3 buttons. Please reduce the number of buttons in your request. |
| 90541 | WHATSAPP\_INTERACTIVE\_ACTION\_BUTTONS\_TYPE\_MUST\_BE\_REPLY | Button type must be 'reply'. Please ensure all buttons use the 'reply' type for interactive messages. |
| 90542 | WHATSAPP\_INTERACTIVE\_ACTION\_BUTTONS\_REPLY\_ID\_REQUIRED | The button reply ID is required. Please provide a unique identifier for each button reply action. |
| 90543 | WHATSAPP\_INTERACTIVE\_ACTION\_BUTTONS\_REPLY\_TITLE\_REQUIRED | The button reply title is required. Please provide a title for each button in your interactive message. |
| 90544 | WHATSAPP\_INTERACTIVE\_ACTION\_NAME\_MUST\_BE\_CTA\_URL | The action name must be 'cta\_url' for call-to-action URL buttons. Please update the action name accordingly. |
| 90545 | WHATSAPP\_INTERACTIVE\_ACTION\_PARAMETERS\_REQUIRED | The action parameters are required. Please provide the necessary parameters for your interactive message action. |
| 90546 | WHATSAPP\_INTERACTIVE\_ACTION\_PARAMETERS\_URL\_REQUIRED | The action parameter URL is required. Please provide a valid URL in the action parameters for the call-to-action button. |
| 90547 | WHATSAPP\_INTERACTIVE\_ACTION\_NAME\_MUST\_BE\_LOCATION\_REQUEST\_MESSAGE | The action name must be 'location\_request\_message' for location request interactive messages. Please update the action name accordingly. |
| 90548 | WHATSAPP\_INTERACTIVE\_ACTION\_PARAMETERS\_COUNTRY\_REQUIRED | The country parameter is required. Please provide a valid country code in the action parameters for location request messages. |
| 90549 | WHATSAPP\_INTERACTIVE\_ACTION\_CARDS\_REQUIRED | The carousel cards are required. Please provide at least one card in your product carousel interactive message. |
| 90550 | WHATSAPP\_INTERACTIVE\_ACTION\_CARDS\_MAX\_10\_CARDS | Product carousel is limited to a maximum of 10 cards. Please reduce the number of cards in your request. |
| 90551 | WHATSAPP\_INTERACTIVE\_ACTION\_CARDS\_TYPE\_REQUIRED | The card type is required. Please specify the type for each card in your product carousel. |
| 90552 | WHATSAPP\_INTERACTIVE\_ACTION\_CARDS\_BODY\_TEXT\_REQUIRED | The card body text is required. Please provide body text for each card in your product carousel. |
| 90553 | WHATSAPP\_INTERACTIVE\_ACTION\_CARDS\_ACTION\_NAME\_REQUIRED | The card action name is required. Please provide an action name for each card in your product carousel. |
| 90554 | WHATSAPP\_INTERACTIVE\_ACTION\_CARDS\_ACTION\_PRODUCT\_RETAILER\_ID\_REQUIRED | The product retailer ID is required. Please provide a valid retailer ID in the card action for product carousel messages. |
| 90555 | WHATSAPP\_INTERACTIVE\_ACTION\_CARDS\_ACTION\_CATALOG\_ID\_REQUIRED | The catalog ID is required. Please provide a valid catalog ID in the card action for product carousel messages. |
## RCS (90700–90899)
| Code | Status | Description |
| ----- | ---------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| 90701 | INVALID\_RCS\_BOT\_ID | The RCS bot ID is invalid or does not match the required format. Please provide a valid bot ID for your RCS configuration. |
| 90702 | RCS\_BOT\_NOT\_FOUND | The RCS bot was not found for your workspace. Please ensure the bot is properly configured in your workspace settings. |
| 90703 | RCS\_BOT\_NOT\_SUPPORTED | The RCS bot is not supported for the recipient's country. Please use a bot that supports the target country or select a different messaging channel. |
| 90704 | UNSUPPORTED\_RCS\_VENDOR | The RCS vendor is not supported. Please use a supported RCS vendor or contact support for assistance. |
| 90705 | BOT\_ID\_OR\_BOT\_SECRET\_MISSING | The bot ID or bot secret is missing. Please provide both bot ID and bot secret in your RCS configuration. |
| 90706 | FAILED\_TO\_PROCESS\_TOKEN | Failed to process the authentication token. Please verify your bot credentials and try again. If the issue persists, contact support. |
| 90707 | FAILED\_TO\_CHECK\_RCS\_CAPABILITY | Failed to check the RCS capability for the recipient. Please try again later or contact support if the issue persists. |
| 90708 | RCS\_CAPABILITY\_NOT\_SUPPORTED | RCS messaging is not supported for this recipient. The recipient's device or carrier may not support RCS. Please use an alternative messaging channel. |
| 90709 | UNSUPPORTED\_MESSAGE\_TYPE | The message type is invalid or not supported. Please provide a supported RCS message type (text, card, carousel, etc.). |
| 90710 | INVALID\_RCS\_MESSAGE\_PAYLOAD | The message payload is invalid or does not match the required RCS format. Please ensure your payload conforms to the RCS Business Messaging API specification. |
| 90711 | INVALID\_RCS\_TEMPLATE\_NAME | The RCS template name is invalid or does not match the required format. Please provide a valid template name that exists in your RCS template library. |
| 90712 | FAILED\_RCS\_MESSAGE\_PROCESSING | Failed to process the RCS message. Please verify your message payload and try again. If the issue persists, contact support. |
## SMS (90900–91999)
SMS errors are grouped by category. Ranges: `90900–90999` API-facing shared codes; `91000–91064` validation, DLT, and template/content; `91400–91999` delivery, operator, handset, user, and provider. Delivery reports and vendor responses may map to these internal codes.
### SMS general (90900–91099)
Code `90903` is reserved as a legacy slot and documented below as `SMS_CODE_RESERVED`.
| Code | Status | Description |
| ----- | ---------------------------------- | ------------------------------------------------------------------------------------------- |
| 90901 | INVALID\_SENDER\_ID\_OR\_ROUTE | The sender ID or route is invalid or does not match the required format. |
| 90902 | RECIPIENT\_COUNTRY\_NOT\_SUPPORTED | The recipient country is not supported by the sender ID. |
| 90903 | SMS\_CODE\_RESERVED | Reserved legacy slot. Use `91002 DLT_SCRUBBING_ERROR` for current API validation responses. |
| 90904 | INVALID\_SMS\_CONTENT | The SMS content is invalid or does not match the required format. |
| 91001 | INVALID\_PHONE\_NUMBER | The recipient phone number is invalid. |
| 91002 | DLT\_SCRUBBING\_ERROR | The DLT template ID or entity ID is required for SMS messages in India. |
| 91003 | FAILED\_PARSE\_CONTENT | Failed to parse SMS content. |
| 91004 | FAILED\_GENERATE\_CONFIG | Failed to generate SMS configuration JSON. |
| 91005 | CONTENT\_PARSING\_ERROR | Error parsing SMS content (unicode/encoding). |
### SMS DLT (91006–91056)
DLT (Do Not Disturb / regulatory) codes apply to SMS in India. Vendor delivery reports may map to these internal codes.
| Code | Status | Description |
| ----- | ----------------------------------------------- | --------------------------------------------------------------------------------------- |
| 91006 | SENDER\_BLOCKED\_BY\_DLT | Sender blocked by DLT provider. |
| 91007 | TELEMARKETER\_BLOCKED\_BY\_DLT | Telemarketer blocked by DLT scrubbing. |
| 91008 | ENTITY\_BLOCKED\_BY\_DLT | Principal entity ID blocked by DLT provider. |
| 91009 | TEMPLATE\_BLOCKED\_BY\_DLT | Template or content blocked by DLT provider. |
| 91010 | ENTITY\_NOT\_REGISTERED | No entry of entity on the platform. |
| 91011 | ENTITY\_INACTIVE | Principal entity is inactive or disabled. |
| 91012 | ENTITY\_BLACKLISTED | Principal entity has been blocklisted. |
| 91013 | INVALID\_ENTITY\_ID | Principal entity ID is invalid or wrong format. |
| 91014 | ENTITY\_ID\_NOT\_ALLOWED\_FOR\_TM | Principal entity is not allowed for the telemarketer. |
| 91015 | TELEMARKETER\_NOT\_REGISTERED | No entry of TMID on the platform. |
| 91016 | TELEMARKETER\_INACTIVE | Telemarketer is inactive on the platform. |
| 91017 | TELEMARKETER\_BLACKLISTED | Telemarketer is blocklisted on all platforms. |
| 91018 | HEADER\_INACTIVE | Header is inactive or disabled. |
| 91019 | HEADER\_BLACKLISTED | Header has been blocklisted. |
| 91020 | PEID\_NOT\_MATCHED\_WITH\_HEADER | PEID does not match the header/sender ID information. |
| 91021 | HEADER\_IN\_FREEPOOL | Header in free pool. |
| 91022 | TEMPLATE\_INACTIVE | Template is inactive or disabled. |
| 91023 | TEMPLATE\_BLACKLISTED | Template has been blocklisted. |
| 91024 | TEMPLATE\_NOT\_MATCHED | Template does not match the provided content or message. |
| 91025 | HEADER\_NOT\_REGISTERED\_FOR\_TEMPLATE | Header is not registered or associated with the requested template. |
| 91026 | TEMPLATE\_VARIABLE\_EXCEEDED\_MAX\_LENGTH | Template variable exceeds the maximum allowed length. |
| 91027 | ERROR\_IDENTIFYING\_TEMPLATE | Error in identifying the template. |
| 91028 | INVALID\_TEMPLATE\_ID | Template ID is invalid or does not exist. |
| 91029 | TEMPLATE\_NOT\_REGISTERED\_TO\_ENTITY | Template is not registered or associated with the specified principal entity ID. |
| 91030 | PROMOTIONAL\_TEMPLATE\_USED\_ON\_OTHERS\_HEADER | Promotional template used on other/transaction header. |
| 91031 | INVALID\_TEMPLATE\_TYPE | Invalid template type. |
| 91032 | PREFERENCE\_NOT\_MATCHED | Preference does not match the specified criteria on the end user number. |
| 91033 | INVALID\_PROMO\_TIME | Promotional time is invalid or outside the allowed range (9 PM to 10 AM). |
| 91034 | SE\_CATEGORY\_BLOCK | Service entity category has been blocked. |
| 91035 | CONSENT\_FAILED | General error code for consent. |
| 91036 | SCRUBBING\_FAILED | General error code in case of any exceptions. |
| 91037 | TLV\_PEID\_NOT\_FOUND | Principal Entity ID within the TLV structure was not found. |
| 91038 | TLV\_TMPID\_NOT\_FOUND | Template ID within the TLV structure was not found. |
| 91039 | CONTENT\_MULTIPART\_INCOMPLETE\_BY\_DLT | DLT has not received long SMS parts or if any part is missing. |
| 91040 | HEADER\_SUSPENDED\_DUE\_TO\_VALIDITY | Header suspended due to validity issues concerning DLT compliance. |
| 91041 | HEADER\_SUSPENDED\_DUE\_TO\_USAGE | Header suspended due to excessive usage that violates DLT regulations. |
| 91042 | HEADER\_SUSPENDED\_DUE\_TO\_CUSTOMER | Header suspended due to issues related to the customer's DLT account. |
| 91043 | TEMPLATE\_SUSPENDED\_DUE\_TO\_VALIDITY | Template suspended due to validity problems concerning DLT compliance. |
| 91044 | TEMPLATE\_SUSPENDED\_DUE\_TO\_USAGE | Template suspended due to excessive usage that violates DLT regulations. |
| 91045 | TEMPLATE\_SUSPENDED\_DUE\_TO\_CUSTOMER | Template suspended due to issues related to the customer's DLT compliance status. |
| 91046 | CTA\_NOT\_WHITELISTED | URL in SMS template has not been safelisted on the DLT platform. |
| 91047 | PE\_TM\_HASH\_NOT\_RECEIVED | PE-TM hash was not received or an empty value was provided. |
| 91048 | PE\_TM\_HASH\_NOT\_REGISTERED | Submitted PE-TM hash does not match any registered hash for the specified PE. |
| 91049 | PE\_TM\_HASH\_INACTIVE | PE-TM hash status is invalid because one of the telemarketers in the chain is inactive. |
| 91050 | PE\_TM\_HASH\_BLACKLISTED | PE-TM hash status is blocklisted. |
| 91051 | PE\_TM\_HASH\_SUSPENDED | PE-TM hash status is suspended by the customer. |
| 91052 | BLOCKED\_BY\_DLT | Message blocked by DLT regulations. |
| 91053 | DLT\_ENTITY\_NOT\_FOUND | DLT entity not found. |
| 91054 | DLT\_TEMPLATE\_NOT\_FOUND | DLT template not found. |
| 91055 | DLT\_HEADER\_NOT\_FOUND | DLT header not found. |
| 91056 | DLT\_SCRUBBING\_TIMEOUT | Timeout while performing DLT scrubbing. |
### SMS template/content (91057–91064)
| Code | Status | Description |
| ----- | ----------------------------- | ---------------------------------------------------------------------------------------------------- |
| 91057 | MSG\_TEXT\_TOO\_LONG | Message text is too long. |
| 91058 | INVALID\_PDU\_FORMAT | Invalid PDU format. |
| 91059 | REJECTED\_INVALID\_UDH | Message formatted incorrectly due to invalid ESM class parameter or inaccurate amount of characters. |
| 91060 | DUPLICATE\_MESSAGE | Duplicate message ID specified in the submit request. |
| 91061 | INVALID\_DESTINATION\_ADDRESS | Invalid destination address. |
| 91062 | INVALID\_SOURCE\_ADDRESS | Invalid source address value. |
| 91063 | INVALID\_REQUEST\_TYPE | The request type was invalid. |
| 91064 | INVALID\_REQUEST\_DESTINATION | Invalid request - destination address country code is not recognized. |
### SMS delivery (91400–91499)
| Code | Status | Description |
| ----- | ---------------------------------- | -------------------------------------------------------------------------------- |
| 91401 | DELIVERY\_FAILED | SMS delivery failed. |
| 91402 | SUBSCRIBER\_UNAVAILABLE | Subscriber unavailable or unreachable. |
| 91403 | MESSAGE\_EXPIRED | Message expired before delivery. |
| 91404 | REJECTED\_ROUTE\_NOT\_AVAILABLE | Network error during delivery. |
| 91405 | UNDELIVERABLE\_REJECTED\_OPERATOR | Message blocked by mobile operator. |
| 91406 | CONTENT\_BLOCKED | Message content blocked. |
| 91407 | REJECTED\_DESTINATION\_BLOCKLISTED | Destination number blocked. |
| 91408 | MESSAGE\_CANCELED | Message was canceled before delivery. |
| 91409 | DESTINATION\_FLOODING | Message rejected due to flooding filter - too many messages to same destination. |
| 91410 | DESTINATION\_TXT\_FLOODING | Message rejected due to number of identical messages sent to a single number. |
| 91411 | MESSAGE\_SUBMITTED\_NOT\_ACKED | Message submitted to but not acknowledged by the mobile operator. |
| 91412 | DEST\_OVERLOADED | Destination overloaded. |
### SMS operator (91500–91599)
A few operator statuses are vendor-provided legacy values and may not strictly follow modern `SNAKE_CASE` formatting.
| Code | Status | Description |
| ----- | ------------------------------------ | -------------------------------------------------------------------------------- |
| 91501 | BEARER\_SERVICE\_NOT\_PROVISIONED | Requested bearer service is not available or activated. |
| 91502 | SS\_INCOMPATIBILITY | SS is not compatible. |
| 91503 | RESOURCE\_LIMITATION | Network congestion - SS7 network congestion error on the MAP protocol level. |
| 91504 | UNKNOWN\_ALPHABET | Unknown alphabet. |
| 91505 | OPERATOR\_NOT\_FOUND | Mobile operator not found for the destination address. |
| 91506 | SOURCE\_ADDRESS\_IS\_BLOCKED | Source address is blocked or is not provisioned. |
| 91507 | TF\_NUMBER\_NOT\_VERIFIED | Toll-free number has either gone over the limit or is not verified. |
| 91508 | INVALID\_RESPONSE\_RECEIVED | An invalid response has been received. |
| 91509 | SC\_BLOCKED\_FOR\_END\_USER | Mobile operator blocked the end user from this short code. |
| 91510 | CONTENT\_BLOCKED\_BY\_OPERATOR | Content blocked by the mobile operator for this end user. |
| 91511 | SC\_NOT\_PROVISIONED | Short code not provisioned with mobile operator. |
| 91512 | SC\_EXPIRED | Short code expired with mobile operator. |
| 91513 | SC\_BLOCKED | Short code blocked by mobile operator. |
| 91514 | DESTINATION\_BLOCKED\_BY\_OPERATOR | Mobile operator is blocking the phone number from receiving messages. |
| 91515 | DESTINATION\_NOT\_SMS\_PROVISIONED | Destination address not provisioned for SMS. |
| 91516 | DEST\_ADDRESS\_SUSPENDED | Destination address suspended by the mobile operator. |
| 91517 | CAMPAIGN\_ID\_REJECTED | Program ID or Campaign ID rejected by the mobile operator. |
| 91518 | BLOCKED\_NEW\_SUBSCRIPTIONS\_FOR\_SC | New subscriptions for this short code are blocked by the mobile operator. |
| 91519 | ACCOUNT\_NOT\_PROVISIONED\_FOR\_SMS | End user's number belongs to a network for which the account is not provisioned. |
| 91520 | MOBILE\_OPERATOR\_NETWORK\_ERROR | Mobile operator network error. |
| 91521 | SMS\_REJECTED\_BY\_MOBILE\_OPERATOR | SMS rejected by the mobile operator for attempted destination address. |
| 91522 | UNKNOWN\_MOBILE\_OPERATOR | Message failed due to an unknown mobile operator error. |
| 91523 | FAILED\_MESSAGE\_DELIVERY | Failed message delivery. |
| 91524 | TIME\_OUT | Time out. |
| 91525 | NOT\_SUBMITTED\_TO\_GMSC | Messages were not passed to any operator and failed at the platform. |
| 91526 | NOT\_SUBMITTED\_TO\_SMPP\_CHANNEL | Inbound SM cannot be transferred through SMPP due to lack of SMPP connectivity. |
### SMS handset/subscriber (91600–91699)
| Code | Status | Description |
| ----- | --------------------------------------- | ----------------------------------------------------------------------------------------- |
| 91601 | UNKNOWN\_SUBSCRIBER | Subscriber or recipient is unknown or not recognized by the network. |
| 91602 | UNKNOWN\_BASE\_STATION | Error involving an unidentified or unrecognized base station. |
| 91603 | UNIDENTIFIED\_SUBSCRIBER | Invalid or unregistered number, incomplete or incorrect subscriber information. |
| 91604 | ABSENT\_SUBSCRIBER\_SM | Destination numbers were unreachable, powered off, or in an area with limited coverage. |
| 91605 | UNKNOWN\_EQUIPMENT | Mobile device has not been recognized by EIR during device verification. |
| 91606 | ROAMING\_NOT\_ALLOWED | Subscriber is roaming in another country or operator's infrastructure. |
| 91607 | ILLEGAL\_SUBSCRIBER | Mobile station failed authentication, often due to subscriber's number being blocklisted. |
| 91608 | TELESERVICE\_NOT\_PROVISIONED | Mobile subscription does not support the requested service (e.g. SMS). |
| 91609 | ILLEGAL\_EQUIPMENT | IMEI check on the handset failed due to the IMEI being blocklisted or unauthorized. |
| 91610 | CALL\_BARRED | Operator suspended the subscriber's service, usually for unpaid invoices. |
| 91611 | FACILITY\_NOT\_SUPPORTED | Requested service is not supported by the handset or network. |
| 91612 | ABSENT\_SUBSCRIBER | Destination numbers were unreachable, powered off, or in an area with limited coverage. |
| 91613 | SUBSCRIBER\_BUSY\_FOR\_MT\_SMS | Subscriber is busy for MT SMS. |
| 91614 | SM\_DELIVERY\_FAILURE | Failure in delivering an SMS to the recipient. |
| 91615 | MESSAGE\_WAITING\_LIST\_FULL | The message waiting list is full. |
| 91616 | SYSTEM\_FAILURE | System failure. |
| 91617 | DATA\_MISSING | Some data is missing. |
| 91618 | UNEXPECTED\_DATA\_VALUE | Unexpected data value has been entered. |
| 91619 | UNKNOWN\_ERROR | Unknown error. |
| 91620 | SM\_DF\_MEMORYCAPACITYEXCEEDED | Message inbox on the recipient's mobile phone is full, preventing new messages. |
| 91621 | SM\_DF\_EQUIPMENTPROTOCOLERROR | Recipient device reported an SMS equipment protocol error. |
| 91622 | SM\_DF\_EQUIPMENTNOTSM\_EQUIPPED | Recipient device is not equipped for SMS services. |
| 91623 | SM\_DF\_UNKNOWNSERVICECENTRE | Unknown SMS service centre was reported by the recipient network. |
| 91624 | SM\_DF\_SC\_CONGESTION | SMS service centre congestion prevented message handling. |
| 91625 | SM\_DF\_INVALIDSME\_ADDRESS | Invalid SME address was reported for the recipient equipment context. |
| 91626 | SM\_DF\_SUBSCRIBERNOTSC\_SUBSCRIBER | Subscriber is not provisioned with the referenced service centre. |
| 91627 | CANNOT\_RECEIVE\_SC | End users connected to this MVNO cannot receive short code messages. |
| 91628 | SC\_BLOCKED\_BY\_END\_USER | End user has asked their mobile operator to block messages sent from your short code. |
| 91629 | USER\_OUT\_OF\_CREDIT | End user is out of prepaid credit and cannot receive the message. |
| 91630 | TEMPORARY\_HANDSET\_FAILURE | Temporary handset failure. |
| 91631 | DEST\_ADDRESS\_UNABLE\_TO\_RECEIVE\_SMS | Destination address is unable to receive SMS. |
### SMS user/account (91700–91799)
Some statuses in this section are vendor-derived and preserved as-is for backward compatibility (including legacy spellings).
| Code | Status | Description |
| ----- | ----------------------------------------- | --------------------------------------------------------------------------------------- |
| 91701 | ACCOUNT\_ACCESS\_DENIED | Account access has been denied. |
| 91702 | LIMIT\_REACHED | Carrier sending limit has been reached. |
| 91703 | QUOTA\_REACHED | Carrier daily quota reached. |
| 91704 | CAMPAIGNID\_NOT\_PROVISIONED | Program ID or campaign ID is not provisioned for this mobile operator or is not active. |
| 91705 | ACC\_NOT\_PROVISIONED\_TO\_SMS\_DEMO\_SC | Account is not provisioned to use the SMS demo short code. |
| 91706 | EXCEEDED\_THE\_TIME\_LIMIT\_OF\_SMS\_DEMO | Exceeded the time limit for using SMS demo. |
| 91707 | DEST\_ADDRESS\_NOT\_IN\_SMS\_DEMO | Destination address is not in the safelist for SMS demo. |
| 91708 | EXCEEDED\_THE\_MAX\_NUMBER | Exceeded the maximum number of demo requests. |
| 91709 | INVALID\_GLOBAL\_CAMPAIGN\_ID | Invalid global campaign ID. |
| 91710 | ACC\_HAS\_NO\_ADDRESS\_FOR\_DEST | Account is not provisioned with an address that can reach the destination. |
| 91711 | INTERACTION\_NOT\_SUPPORTED | Interaction is not supported for the message destination. |
| 91712 | ACC\_NOT\_2\_WAY | Account is not provisioned for global two-way SMS. |
| 91713 | CONTENT\_BLOCKED | Content blocked by user opt-out (MO: STOP). |
| 91714 | BLOCKED\_BY\_CAMPAIGN\_BLACKLIST | Content blocked by campaign blocklist. |
| 91715 | REJECTED\_SPAM\_BY\_OPERATOR | Message was identified as spam and cannot be delivered. |
| 91716 | SIGNALS\_BLOCKED | Message rejected due to an anti-fraud mechanism. |
| 91717 | IMSI\_BLACKLISTED | IMSI is blocklisted. |
| 91718 | BLACKLISTED\_DESTINATIONADDRESS | Destination number has been blocklisted. |
| 91719 | BLACKLISTED\_SENDERADDRESS | Sender number has been blocklisted. |
| 91720 | DEACTIVATED\_LIST | Phone number is listed as deactivated. |
| 91721 | MONTHLY\_LIMIT\_REACHED | Account monthly credit limit has been reached. |
| 91722 | DEST\_ADDRESS\_BLACKLISTED | Numbers were identified as blocklisted in the operator's DND database. |
### SMS provider (91800–91899)
Provider statuses in this range are protocol-level and vendor-derived. Use the `status` value for precise diagnosis; descriptions are normalized summaries.
| Code | Status | Description |
| ----- | ------------------------------------------- | --------------------------------------------------------------------------------------------------- |
| 91801 | PROVIDER\_GENERAL\_ERROR | Provider returned an unrecoverable protocol error while processing the message. |
| 91802 | NO\_RESPONSE | Message was processed and forwarded to the operator, but no delivery response was returned in time. |
| 91803 | SERVICE\_COMPLETION\_FAILURE | Message processing failed before completion at the downstream provider side. |
| 91804 | UNEXPECTED\_RESPONSE\_FROM\_PEER | Received an unexpected or malformed protocol response from a downstream peer. |
| 91805 | MISTYPED\_PARAMETER | Request includes a mistyped or invalid protocol parameter. |
| 91806 | NOT\_SUPPORTED\_SERVICE | Requested network service is not supported by the downstream provider. |
| 91807 | DUPLICATED\_INVOKE\_ID | Duplicate invoke ID was detected in the signaling transaction. |
| 91808 | OR\_APPCONTEXTNOTSUPPORTED | Remote node does not support the requested application context. |
| 91809 | OR\_INVALIDDESTINATIONREFERENCE | Destination reference in the protocol envelope is invalid. |
| 91810 | OR\_INVALIDORIGINATINGREFERENCE | Originating reference in the protocol envelope is invalid. |
| 91811 | OR\_ENCAPSULATEDAC\_NOTSUPPORTED | Peer does not support the encapsulated application context. |
| 91812 | OR\_TRANSPORTPROTECTIONNOTADEQUATE | Transport protection level is insufficient for this request. |
| 91813 | OR\_NOREASONGIVEN | Remote node rejected the request without a specific reason code. |
| 91814 | OR\_POTENTIALVERSIONINCOMPATIBILITY | Protocol version incompatibility was detected between interconnected nodes. |
| 91815 | OR\_REMOTENODENOTREACHABLE | Mobile subscriber was not reachable due to a network operator protocol error. |
| 91816 | NNR\_NOTRANSLATIONFORANADDRESSOFSUCHNATURE | Mobile subscriber was not reachable due to a network operator protocol error. |
| 91817 | NNR\_NOTRANSLATIONFORTHISSPECIFICADDRESS | No translation for this specific address. |
| 91818 | NNR\_SUBSYSTEMCONGESTION | Mobile subscriber was not reachable due to a network operator protocol error. |
| 91819 | NNR\_SUBSYSTEMFAILURE | Mobile subscriber was not reachable due to a network operator protocol error. |
| 91820 | NNR\_UNEQUIPPEDUSER | Mobile subscriber was not reachable due to a network operator protocol error. |
| 91821 | NNR\_MTPFAILURE | Mobile subscriber was not reachable due to a network operator protocol error. |
| 91822 | NNR\_NETWORKCONGESTION | Mobile subscriber was not reachable due to a network operator protocol error. |
| 91823 | NNR\_UNQUALIFIED | Mobile subscriber was not reachable due to a network operator protocol error. |
| 91824 | NNR\_ERRORINMESSAGETRANSPORTXUDT | Mobile subscriber was not reachable due to a network operator protocol error. |
| 91825 | NNR\_ERRORINLOCALPROCESSINGXUDT | Mobile subscriber was not reachable due to a network operator protocol error. |
| 91826 | NNR\_DESTINATIONCANNOTPERFORMREASSEMBLYXUDT | Mobile subscriber was not reachable due to a network operator protocol error. |
| 91827 | NNR\_SCCPFAILURE | Mobile subscriber was not reachable due to a network operator protocol error. |
| 91828 | NNR\_HOPCOUNTERVIOLATION | Mobile subscriber was not reachable due to a network operator protocol error. |
| 91829 | NNR\_SEGMENTATIONNOTSUPPORTED | Mobile subscriber was not reachable due to a network operator protocol error. |
| 91830 | NNR\_SEGMENTATIONFAILURE | Mobile subscriber was not reachable due to a network operator protocol error. |
| 91831 | UA\_USERSPECIFICREASON | Message was aborted by the peer due to a user-specific reason. |
| 91832 | UA\_USERRESOURCELIMITATION | Message was aborted by the peer due to user resource limitations. |
| 91833 | UA\_RESOURCEUNAVAILABLE | Message was aborted by the peer because a required resource was unavailable. |
| 91834 | UA\_APPLICATIONPROCEDURECANCELLATION | Message was aborted by the peer due to application procedure cancellation. |
| 91835 | PA\_PROVIDERMALFUNCTION | Message was aborted due to a provider malfunction. |
| 91836 | PA\_SUPPORTINGDIALOGORTRANSACTIONRELEASED | Message was aborted because the supporting dialogue or transaction was released. |
| 91837 | PA\_RESSOURCELIMITATION | Message was aborted due to resource limitations in the provider network. |
| 91838 | PA\_MAINTENANCEACTIVITY | Message was aborted due to maintenance activity in the provider network. |
| 91839 | PA\_VERSIONINCOMPATIBILITY | Message was aborted due to protocol version incompatibility. |
| 91840 | PA\_ABNORMALMAPDIALOG | Message was aborted due to an abnormal MAP dialog termination. |
| 91841 | NC\_ABNORMALEVENTDETECTEDBYPEER | Message was aborted because the peer detected an abnormal event. |
| 91842 | NC\_RESPONSEREJECTEDBYPEER | Message was aborted because the peer rejected the protocol response. |
| 91843 | NC\_ABNORMALEVENTRECEIVEDFROMPEER | Message was aborted due to an abnormal event received from a peer. |
| 91844 | NC\_MESSAGECANNOTBEDELIVEREDTOPEER | Message could not be delivered to the peer due to protocol routing failure. |
| 91845 | NC\_PROVIDEROUTOFINVOKE | Message was aborted because the provider ran out of invoke IDs. |
| 91846 | NO\_COVERAGE | No coverage for requested phone number. |
| 91847 | GATEWAY\_OPERATION\_FAILED | Provider service failed. |
| 91848 | OPERATION\_RESTRICTED | Operation restricted. |
| 91849 | INVALID\_REQUEST | Validation failed for requested arguments. |
| 91850 | INVALID\_TOKEN | The token is invalid or does not exist. |
| 91851 | CONSENT\_NOT\_GRANTED | User consent not granted. |
| 91852 | MI\_ACCOUNT\_DISABLED | User account is disabled for Mobile Identity service. |
| 91853 | OPERATION\_NOT\_ALLOWED | Service is not allowed for this account. |
| 91854 | COUNTRY\_NOT\_ALLOWED | Destination country is not allowed for this account. |
| 91855 | GATEWAY\_NOT\_ALLOWED | Provider is not allowed for this account. |
| 91856 | REJECTED\_NOT\_ENOUGH\_CREDITS | Not enough credits for this service. |
| 91857 | MOBILE\_DEVICE\_TIMEOUT | Timeout occurred during a mobile device redirect. |
| 91858 | REJECTED\_INVALID\_IP\_ADDRESS | IP address not in MNO data range. |
| 91859 | OTP\_SMS\_SEND\_FAILED | Failed to send an SMS message. |
| 91860 | NI\_ATTRIBUTE\_NOT\_ALLOWED | Requested Number Intelligence attribute is not allowed for this account. |
| 91861 | SIM\_SWAP\_CHECK\_FAILED | Failed to execute SIM Swap check request due to an error on the MNO side. |
| 91862 | SIM\_SWAP\_DETECTED | SIM swap detected. |
| 91863 | USER\_INTERNAL\_ERROR | Internal error on the platform. |
| 91864 | INVALIDMSCADDRESS | Text is blocklisted. |
## Email (91100–91299)
Reserved for the email channel. The following codes are defined today:
| Code | Status | Description |
| ----- | -------------------------------- | ------------------------------------------------------------------------ |
| 91101 | INVALID\_FROM\_EMAIL | The from email address is invalid or does not match the required format. |
| 91102 | EMAIL\_CONFIGURATION\_NOT\_FOUND | The email configuration is not found for the workspace. |
| 91103 | EMAIL\_TEMPLATE\_NOT\_FOUND | The email template is not found for the workspace. |