Request message retransmission

Sends a WhatsApp retry receipt for one or more messages, asking the sender device to retransmit content the WUTS gateway could not decrypt. When message_ids is omitted, the message id from the path is used.

Authorization

bearerAuth

AuthorizationBearer <token>

Per-user API token (UUID v4) sent as Authorization: Bearer <token>. Identifies the tenant and user.

In: header

Path Parameters

id*string

WhatsApp message id to request a retry for. Used as the single target when message_ids is not provided in the body.

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

chat_jid*string

JID of the chat the message belongs to (user JID or group JID).

sender_jid?string

Optional JID of the original message sender. Recommended for group chats so the receipt targets the correct participant.

message_ids?array<string>

Optional list of WhatsApp message ids to acknowledge. When omitted, the message id from the URL path is used.

timestamp?string

Optional receipt time. Accepts an RFC3339 string or a Unix timestamp in seconds or milliseconds. Defaults to the current server time.

Response Body

`application/json`

curl -X POST "https://example.com/messages/string/retry" \  -H "Content-Type: application/json" \  -d '{    "chat_jid": "120363039000000000@g.us",    "sender_jid": "5511999999999@s.whatsapp.net",    "message_ids": [      "3EB0A1B2C3D4E5F60718"    ]  }'

{  "success": true,  "chat_jid": "120363039000000000@g.us",  "sender_jid": "5511999999999@s.whatsapp.net",  "message_ids": [    "3EB0A1B2C3D4E5F60718"  ],  "receipt_type": "retry",  "timestamp": "2026-06-15T18:30:00Z"}

{  "success": false,  "error": "validation failed",  "error_code": "VALIDATION_ERROR",  "timestamp": "2026-06-15T12:00:00Z"}

{  "success": false,  "error": "validation failed",  "error_code": "VALIDATION_ERROR",  "timestamp": "2026-06-15T12:00:00Z"}

{  "success": false,  "error": "validation failed",  "error_code": "VALIDATION_ERROR",  "timestamp": "2026-06-15T12:00:00Z"}

{  "success": false,  "error": "validation failed",  "error_code": "VALIDATION_ERROR",  "timestamp": "2026-06-15T12:00:00Z"}

{  "success": false,  "error": "validation failed",  "error_code": "VALIDATION_ERROR",  "timestamp": "2026-06-15T12:00:00Z"}

Request message retransmission

Authorization

Path Parameters

Request Body

Response Body

200application/json

400application/json

401application/json

500application/json

502application/json

503application/json

`application/json`

`application/json`

`application/json`

`application/json`

`application/json`

`application/json`