{
  "info": {
    "name": "Gupshup WhatsApp Business API",
    "description": "Send and manage WhatsApp Business messages through Gupshup. Base URL: https://api.gupshup.io/wa/api/v1. Requests authenticate with an apikey header scoped to your account and its registered app. The send (/msg) and send-template (/template/msg) operations are confirmed against Gupshup's API reference; opt-in/out, users, and template-list are modeled from documentation. Requests use application/x-www-form-urlencoded bodies.",
    "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
  },
  "auth": {
    "type": "apikey",
    "apikey": [
      { "key": "key", "value": "apikey", "type": "string" },
      { "key": "value", "value": "{{apikey}}", "type": "string" },
      { "key": "in", "value": "header", "type": "string" }
    ]
  },
  "variable": [
    { "key": "baseUrl", "value": "https://api.gupshup.io/wa/api/v1", "type": "string" },
    { "key": "apikey", "value": "", "type": "string" },
    { "key": "appName", "value": "", "type": "string" }
  ],
  "item": [
    {
      "name": "Messaging",
      "item": [
        {
          "name": "Send a WhatsApp session message",
          "request": {
            "method": "POST",
            "header": [
              { "key": "apikey", "value": "{{apikey}}" },
              { "key": "Content-Type", "value": "application/x-www-form-urlencoded" }
            ],
            "body": {
              "mode": "urlencoded",
              "urlencoded": [
                { "key": "channel", "value": "whatsapp" },
                { "key": "source", "value": "919000000000" },
                { "key": "destination", "value": "919111111111" },
                { "key": "message", "value": "{\"type\":\"text\",\"text\":\"Hello from Gupshup\"}" },
                { "key": "src.name", "value": "{{appName}}" }
              ]
            },
            "url": { "raw": "{{baseUrl}}/msg", "host": ["{{baseUrl}}"], "path": ["msg"] },
            "description": "Sends a WhatsApp session message (text/image/file/audio/video/sticker/location/contact/list/quick_reply). Confirmed endpoint."
          }
        }
      ]
    },
    {
      "name": "Templates",
      "item": [
        {
          "name": "Send a WhatsApp template message",
          "request": {
            "method": "POST",
            "header": [
              { "key": "apikey", "value": "{{apikey}}" },
              { "key": "Content-Type", "value": "application/x-www-form-urlencoded" }
            ],
            "body": {
              "mode": "urlencoded",
              "urlencoded": [
                { "key": "channel", "value": "whatsapp" },
                { "key": "source", "value": "919000000000" },
                { "key": "destination", "value": "919111111111" },
                { "key": "template", "value": "{\"id\":\"00000000-0000-0000-0000-000000000000\",\"params\":[\"Kin\",\"ORD-42\"]}" },
                { "key": "src.name", "value": "{{appName}}" }
              ]
            },
            "url": { "raw": "{{baseUrl}}/template/msg", "host": ["{{baseUrl}}"], "path": ["template", "msg"] },
            "description": "Sends a pre-approved template (HSM) message to an opted-in user. Confirmed endpoint."
          }
        },
        {
          "name": "List an app's templates",
          "request": {
            "method": "GET",
            "header": [{ "key": "apikey", "value": "{{apikey}}" }],
            "url": {
              "raw": "{{baseUrl}}/template/list/:appName",
              "host": ["{{baseUrl}}"],
              "path": ["template", "list", ":appName"],
              "variable": [{ "key": "appName", "value": "{{appName}}" }]
            },
            "description": "Lists templates registered for an app and their approval status. Modeled from documentation."
          }
        }
      ]
    },
    {
      "name": "Opt-In",
      "item": [
        {
          "name": "Mark a user opt-in",
          "request": {
            "method": "POST",
            "header": [
              { "key": "apikey", "value": "{{apikey}}" },
              { "key": "Content-Type", "value": "application/x-www-form-urlencoded" }
            ],
            "body": {
              "mode": "urlencoded",
              "urlencoded": [{ "key": "user", "value": "919111111111" }]
            },
            "url": {
              "raw": "{{baseUrl}}/app/opt/in/:appName",
              "host": ["{{baseUrl}}"],
              "path": ["app", "opt", "in", ":appName"],
              "variable": [{ "key": "appName", "value": "{{appName}}" }]
            },
            "description": "Records user consent to receive messages. Modeled from documentation. Legacy opt-in APIs are not supported for apps created after Aug 2025."
          }
        },
        {
          "name": "Mark a user opt-out",
          "request": {
            "method": "POST",
            "header": [
              { "key": "apikey", "value": "{{apikey}}" },
              { "key": "Content-Type", "value": "application/x-www-form-urlencoded" }
            ],
            "body": {
              "mode": "urlencoded",
              "urlencoded": [{ "key": "user", "value": "919111111111" }]
            },
            "url": {
              "raw": "{{baseUrl}}/app/opt/out/:appName",
              "host": ["{{baseUrl}}"],
              "path": ["app", "opt", "out", ":appName"],
              "variable": [{ "key": "appName", "value": "{{appName}}" }]
            },
            "description": "Records that a user opted out. Modeled from documentation."
          }
        },
        {
          "name": "List interacted users and opt-in status",
          "request": {
            "method": "GET",
            "header": [{ "key": "apikey", "value": "{{apikey}}" }],
            "url": {
              "raw": "{{baseUrl}}/users/:appName",
              "host": ["{{baseUrl}}"],
              "path": ["users", ":appName"],
              "variable": [{ "key": "appName", "value": "{{appName}}" }]
            },
            "description": "Lists users who interacted with your business number and their opt-in status. Modeled from documentation."
          }
        }
      ]
    }
  ]
}