Groups

Join a group

Joins a WhatsApp group either via an invite link or via an invite code together with the group JID and inviter JID. If the group requires admin approval, the response indicates a pending approval state.

POST
/groups/join

Joins a WhatsApp group either via an invite link or via an invite code together with the group JID and inviter JID. If the group requires admin approval, the response indicates a pending approval state.

Authorization

bearerAuth
AuthorizationBearer <token>

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

In: header

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

Supports joining via a WhatsApp invite link, or via an invite code together with group_jid and inviter_jid.

Response Body

application/json

application/json

application/json

application/json

application/json

application/json

application/json

application/json

application/json

application/json

application/json

curl -X POST "https://example.com/groups/join" \  -H "Content-Type: application/json" \  -d '{    "link": "https://chat.whatsapp.com/AbCdEfGhIjKlMnOpQrStUv"  }'
{  "success": true,  "pending_approval": false,  "group_jid": "120363039000000000@g.us"}
{  "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"}
{  "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"}