{
  "info": {
    "_postman_id": "ba82801a-39fb-456d-ab20-7e2b14892fef",
    "name": "SignNow REST Authentication API",
    "description": "The SignNow REST API enables developers to embed legally binding e-signature workflows into any application. It supports document upload, template-based signing workflows, signature invitations, bulk signing, user management, and webhook notifications.\n\nContact Support:\n Name: SignNow API Support\n Email: api@signnow.com",
    "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json",
    "createdAt": "2026-07-28T02:53:22.000Z",
    "updatedAt": "2026-07-28T02:53:22.000Z",
    "lastUpdatedBy": "35240",
    "uid": "35240-ba82801a-39fb-456d-ab20-7e2b14892fef"
  },
  "item": [
    {
      "name": "oauth2",
      "item": [
        {
          "name": "token",
          "item": [
            {
              "name": "Create OAuth Token",
              "id": "0dfb6799-3df1-41ae-a59c-64c858622b80",
              "protocolProfileBehavior": {
                "disableBodyPruning": true
              },
              "request": {
                "method": "POST",
                "header": [
                  {
                    "key": "Content-Type",
                    "value": "application/x-www-form-urlencoded"
                  },
                  {
                    "key": "Accept",
                    "value": "application/json"
                  }
                ],
                "body": {
                  "mode": "urlencoded",
                  "urlencoded": [
                    {
                      "description": "(Required) OAuth grant type",
                      "key": "grant_type",
                      "value": "refresh_token"
                    },
                    {
                      "description": "(Required) Application client ID",
                      "key": "client_id",
                      "value": "<string>"
                    },
                    {
                      "description": "(Required) Application client secret",
                      "key": "client_secret",
                      "value": "<string>"
                    },
                    {
                      "description": "User email (for password grant)",
                      "key": "username",
                      "value": "<string>"
                    },
                    {
                      "description": "User password (for password grant)",
                      "key": "password",
                      "value": "<string>"
                    },
                    {
                      "description": "Authorization code (for authorization_code grant)",
                      "key": "code",
                      "value": "<string>"
                    },
                    {
                      "description": "Refresh token (for refresh_token grant)",
                      "key": "refresh_token",
                      "value": "<string>"
                    }
                  ]
                },
                "url": {
                  "raw": "{{baseUrl}}/oauth2/token",
                  "host": [
                    "{{baseUrl}}"
                  ],
                  "path": [
                    "oauth2",
                    "token"
                  ]
                },
                "description": "Generate an OAuth 2.0 access token using client credentials or password grant type."
              },
              "response": [
                {
                  "id": "1262b50d-e3df-46f6-b10e-1a17438e9131",
                  "name": "Access token generated",
                  "originalRequest": {
                    "method": "POST",
                    "header": [
                      {
                        "key": "Content-Type",
                        "value": "application/x-www-form-urlencoded"
                      },
                      {
                        "key": "Accept",
                        "value": "application/json"
                      },
                      {
                        "description": "Added as a part of security scheme: bearer",
                        "key": "Authorization",
                        "value": "Bearer <token>"
                      }
                    ],
                    "body": {
                      "mode": "urlencoded",
                      "urlencoded": [
                        {
                          "description": "(Required) OAuth grant type",
                          "key": "grant_type",
                          "value": "refresh_token"
                        },
                        {
                          "description": "(Required) Application client ID",
                          "key": "client_id",
                          "value": "<string>"
                        },
                        {
                          "description": "(Required) Application client secret",
                          "key": "client_secret",
                          "value": "<string>"
                        },
                        {
                          "description": "User email (for password grant)",
                          "key": "username",
                          "value": "<string>"
                        },
                        {
                          "description": "User password (for password grant)",
                          "key": "password",
                          "value": "<string>"
                        },
                        {
                          "description": "Authorization code (for authorization_code grant)",
                          "key": "code",
                          "value": "<string>"
                        },
                        {
                          "description": "Refresh token (for refresh_token grant)",
                          "key": "refresh_token",
                          "value": "<string>"
                        }
                      ]
                    },
                    "url": {
                      "raw": "{{baseUrl}}/oauth2/token",
                      "host": [
                        "{{baseUrl}}"
                      ],
                      "path": [
                        "oauth2",
                        "token"
                      ]
                    }
                  },
                  "status": "OK",
                  "code": 200,
                  "_postman_previewlanguage": "json",
                  "header": [
                    {
                      "key": "Content-Type",
                      "value": "application/json"
                    }
                  ],
                  "cookie": [],
                  "responseTime": null,
                  "body": "{\n  \"access_token\": \"<string>\",\n  \"token_type\": \"<string>\",\n  \"expires_in\": \"<integer>\",\n  \"refresh_token\": \"<string>\",\n  \"scope\": \"<string>\"\n}",
                  "createdAt": "2026-07-28T02:53:23.000Z",
                  "updatedAt": "2026-07-28T02:53:23.000Z",
                  "uid": "35240-1262b50d-e3df-46f6-b10e-1a17438e9131"
                },
                {
                  "id": "bb80da3a-4144-4f6b-bcb2-2de88d72f1b4",
                  "name": "Invalid request",
                  "originalRequest": {
                    "method": "POST",
                    "header": [
                      {
                        "key": "Content-Type",
                        "value": "application/x-www-form-urlencoded"
                      },
                      {
                        "key": "Accept",
                        "value": "application/json"
                      },
                      {
                        "description": "Added as a part of security scheme: bearer",
                        "key": "Authorization",
                        "value": "Bearer <token>"
                      }
                    ],
                    "body": {
                      "mode": "urlencoded",
                      "urlencoded": [
                        {
                          "description": "(Required) OAuth grant type",
                          "key": "grant_type",
                          "value": "refresh_token"
                        },
                        {
                          "description": "(Required) Application client ID",
                          "key": "client_id",
                          "value": "<string>"
                        },
                        {
                          "description": "(Required) Application client secret",
                          "key": "client_secret",
                          "value": "<string>"
                        },
                        {
                          "description": "User email (for password grant)",
                          "key": "username",
                          "value": "<string>"
                        },
                        {
                          "description": "User password (for password grant)",
                          "key": "password",
                          "value": "<string>"
                        },
                        {
                          "description": "Authorization code (for authorization_code grant)",
                          "key": "code",
                          "value": "<string>"
                        },
                        {
                          "description": "Refresh token (for refresh_token grant)",
                          "key": "refresh_token",
                          "value": "<string>"
                        }
                      ]
                    },
                    "url": {
                      "raw": "{{baseUrl}}/oauth2/token",
                      "host": [
                        "{{baseUrl}}"
                      ],
                      "path": [
                        "oauth2",
                        "token"
                      ]
                    }
                  },
                  "status": "Bad Request",
                  "code": 400,
                  "_postman_previewlanguage": "json",
                  "header": [
                    {
                      "key": "Content-Type",
                      "value": "application/json"
                    }
                  ],
                  "cookie": [],
                  "responseTime": null,
                  "body": "{\n  \"errors\": [\n    {\n      \"code\": \"<integer>\",\n      \"message\": \"<string>\"\n    },\n    {\n      \"code\": \"<integer>\",\n      \"message\": \"<string>\"\n    }\n  ]\n}",
                  "createdAt": "2026-07-28T02:53:23.000Z",
                  "updatedAt": "2026-07-28T02:53:23.000Z",
                  "uid": "35240-bb80da3a-4144-4f6b-bcb2-2de88d72f1b4"
                }
              ],
              "createdAt": "2026-07-28T02:53:23.000Z",
              "updatedAt": "2026-07-28T02:53:23.000Z",
              "uid": "35240-0dfb6799-3df1-41ae-a59c-64c858622b80"
            }
          ],
          "id": "4b15f2fd-5788-4c27-8178-00032530560e",
          "createdAt": "2026-07-28T02:53:23.000Z",
          "updatedAt": "2026-07-28T02:53:23.000Z",
          "uid": "35240-4b15f2fd-5788-4c27-8178-00032530560e"
        }
      ],
      "id": "ad4ab15e-f501-4c1b-9158-af248e5cbd6a",
      "createdAt": "2026-07-28T02:53:23.000Z",
      "updatedAt": "2026-07-28T02:53:23.000Z",
      "uid": "35240-ad4ab15e-f501-4c1b-9158-af248e5cbd6a"
    }
  ],
  "auth": {
    "type": "bearer",
    "bearer": [
      {
        "key": "token",
        "value": "{{bearerToken}}",
        "type": "string"
      }
    ]
  },
  "variable": [
    {
      "key": "baseUrl",
      "value": "https://api.signnow.com"
    }
  ]
}