{ "info": { "_postman_id": "aec742ba-cdaf-4bc7-891b-b49cce71369e", "name": "Dropbox Sign Account OAuth API", "description": "Dropbox Sign v3 API\n\nContact Support:\n Email: apisupport@hellosign.com", "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json", "createdAt": "2026-07-28T01:54:43.000Z", "updatedAt": "2026-07-28T01:54:43.000Z", "lastUpdatedBy": "35240", "uid": "35240-aec742ba-cdaf-4bc7-891b-b49cce71369e" }, "item": [ { "name": "oauth", "item": [ { "name": "token", "item": [ { "name": "OAuth Token Generate", "id": "c43fc269-237b-4102-a6e0-2ba0819776b8", "protocolProfileBehavior": { "disableBodyPruning": true }, "request": { "method": "POST", "header": [ { "key": "Content-Type", "value": "application/json" }, { "key": "Accept", "value": "application/json" } ], "body": { "mode": "raw", "raw": "{\n \"client_id\": \"\",\n \"client_secret\": \"\",\n \"code\": \"\",\n \"state\": \"\",\n \"grant_type\": \"authorization_code\"\n}", "options": { "raw": { "headerFamily": "json", "language": "json" } } }, "url": { "raw": "https://app.hellosign.com/oauth/token", "protocol": "https", "host": [ "app", "hellosign", "com" ], "path": [ "oauth", "token" ] }, "description": "Once you have retrieved the code from the user callback, you will need to exchange it for an access token via a backend call." }, "response": [ { "id": "a6603f40-075e-47ed-affe-4f7a20cc52c2", "name": "successful operation", "originalRequest": { "method": "POST", "header": [ { "key": "Content-Type", "value": "application/json" }, { "key": "Accept", "value": "application/json" }, { "description": "Added as a part of security scheme: basic", "key": "Authorization", "value": "Basic " } ], "body": { "mode": "raw", "raw": "{\n \"client_id\": \"\",\n \"client_secret\": \"\",\n \"code\": \"\",\n \"state\": \"\",\n \"grant_type\": \"authorization_code\"\n}", "options": { "raw": { "headerFamily": "json", "language": "json" } } }, "url": { "raw": "https://app.hellosign.com/oauth/token", "protocol": "https", "host": [ "app", "hellosign", "com" ], "path": [ "oauth", "token" ] } }, "status": "OK", "code": 200, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" }, { "disabled": false, "description": { "content": "", "type": "text/plain" }, "key": "X-RateLimit-Limit", "value": "" }, { "disabled": false, "description": { "content": "", "type": "text/plain" }, "key": "X-RateLimit-Remaining", "value": "" }, { "disabled": false, "description": { "content": "", "type": "text/plain" }, "key": "X-Ratelimit-Reset", "value": "" } ], "cookie": [], "responseTime": null, "body": "{\n \"access_token\": \"\",\n \"token_type\": \"\",\n \"refresh_token\": \"\",\n \"expires_in\": \"\",\n \"state\": \"\"\n}", "createdAt": "2026-07-28T01:54:43.000Z", "updatedAt": "2026-07-28T01:54:43.000Z", "uid": "35240-a6603f40-075e-47ed-affe-4f7a20cc52c2" }, { "id": "7cc24ced-a2fe-4796-acf3-bd4a283251de", "name": "failed_operation", "originalRequest": { "method": "POST", "header": [ { "key": "Content-Type", "value": "application/json" }, { "key": "Accept", "value": "application/json" }, { "description": "Added as a part of security scheme: basic", "key": "Authorization", "value": "Basic " } ], "body": { "mode": "raw", "raw": "{\n \"client_id\": \"\",\n \"client_secret\": \"\",\n \"code\": \"\",\n \"state\": \"\",\n \"grant_type\": \"authorization_code\"\n}", "options": { "raw": { "headerFamily": "json", "language": "json" } } }, "url": { "raw": "https://app.hellosign.com/oauth/token", "protocol": "https", "host": [ "app", "hellosign", "com" ], "path": [ "oauth", "token" ] } }, "status": "Bad Request", "code": 400, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"error\": {\n \"error_msg\": \"\",\n \"error_name\": \"\",\n \"error_path\": \"\"\n }\n}", "createdAt": 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"url": { "raw": "https://app.hellosign.com/oauth/token?refresh", "protocol": "https", "host": [ "app", "hellosign", "com" ], "path": [ "oauth", "token" ], "query": [ { "key": "refresh", "value": "" } ] }, "description": "Access tokens are only valid for a given period of time (typically one hour) for security reasons. Whenever acquiring an new access token its TTL is also given (see `expires_in`), along with a refresh token that can be used to acquire a new access token after the current one has expired." }, "response": [ { "id": "c3650527-99fc-4183-b8d9-e1bf2221f79f", "name": "successful operation", "originalRequest": { "method": "POST", "header": [ { "key": "Content-Type", "value": "application/json" }, { "key": "Accept", "value": "application/json" }, { "description": "Added as a part of security scheme: basic", "key": "Authorization", "value": "Basic " } ], "body": { "mode": "raw", "raw": "{\n \"grant_type\": \"refresh_token\",\n \"refresh_token\": \"\",\n \"client_id\": \"\",\n \"client_secret\": \"\"\n}", "options": { "raw": { "headerFamily": "json", "language": "json" } } }, "url": { "raw": "https://app.hellosign.com/oauth/token", "protocol": "https", "host": [ "app", "hellosign", "com" ], "path": [ "oauth", "token" ] } }, "status": "OK", "code": 200, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" }, { "disabled": false, "description": { "content": "", "type": "text/plain" }, "key": "X-RateLimit-Limit", "value": "" }, { "disabled": false, "description": { "content": "", "type": "text/plain" }, "key": "X-RateLimit-Remaining", "value": "" }, { "disabled": false, "description": { "content": "", "type": "text/plain" }, "key": "X-Ratelimit-Reset", "value": "" } ], "cookie": [], "responseTime": null, "body": "{\n \"access_token\": \"\",\n \"token_type\": \"\",\n \"refresh_token\": \"\",\n \"expires_in\": \"\",\n \"state\": \"\"\n}", "createdAt": "2026-07-28T01:54:43.000Z", "updatedAt": "2026-07-28T01:54:43.000Z", "uid": "35240-c3650527-99fc-4183-b8d9-e1bf2221f79f" }, { "id": "af6f1d02-b65c-479a-a097-2bd5fa22d0a8", "name": "failed_operation", "originalRequest": { "method": "POST", "header": [ { "key": "Content-Type", "value": "application/json" }, { "key": "Accept", "value": "application/json" }, { "description": "Added as a part of security scheme: basic", "key": "Authorization", "value": "Basic " } ], "body": { "mode": "raw", "raw": "{\n \"grant_type\": \"refresh_token\",\n \"refresh_token\": \"\",\n \"client_id\": \"\",\n \"client_secret\": \"\"\n}", "options": { "raw": { "headerFamily": "json", "language": "json" } } }, "url": { "raw": "https://app.hellosign.com/oauth/token", "protocol": "https", "host": [ "app", "hellosign", "com" ], "path": [ "oauth", "token" ] } }, "status": "Bad Request", "code": 400, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"error\": {\n \"error_msg\": \"\",\n \"error_name\": \"\",\n \"error_path\": \"\"\n }\n}", "createdAt": "2026-07-28T01:54:43.000Z", "updatedAt": "2026-07-28T01:54:43.000Z", "uid": "35240-af6f1d02-b65c-479a-a097-2bd5fa22d0a8" } ], "createdAt": "2026-07-28T01:54:43.000Z", "updatedAt": "2026-07-28T01:54:43.000Z", "uid": "35240-78aa64e1-675b-4c93-979e-8b2bb35ed476" } ], "id": "50bd00f5-d971-488c-835a-2db064f218e7", "createdAt": "2026-07-28T01:54:43.000Z", "updatedAt": "2026-07-28T01:54:43.000Z", "uid": "35240-50bd00f5-d971-488c-835a-2db064f218e7" } ], "id": "5a00a6c5-6e8b-4cde-9986-710ce46050b2", "createdAt": "2026-07-28T01:54:43.000Z", "updatedAt": "2026-07-28T01:54:43.000Z", "uid": "35240-5a00a6c5-6e8b-4cde-9986-710ce46050b2" } ], "auth": { "type": "basic", "basic": [ { "key": "username", "value": "{{basicAuthUsername}}", "type": "string" }, { "key": "password", "value": "{{basicAuthPassword}}", "type": "string" } ] }, "variable": [ { "key": "baseUrl", "value": "https://api.hellosign.com/v3" } ] }