ClickSend REST API v3
api:clicksend.com · v1.0.0 · source: apis.guru
This is the official API documentation for ClickSend.com Below you will find a current list of the available methods for clicksend. NOTE : You will need to create a free account to use the API. You can Register Here . API URL The API should always be accessed over SSL. Base URL: https://rest.clicksend.com/v3/ Authentication Basic HTTP authentication should be used in the header. Either: username : Your API username password : Your API key You can get your API credentials by clicking 'API Credentials' on the top right of the dashboard. OR username : Your account username password : Your account password These are the same credentials that you use to login to the dashboard. Authorization Header The Authorization header is constructed as follows: 1. Username and password are combined into a string username:password 1. The resulting string is then encoded using Base64 encoding 1. The authorization method and a space i.e. "Basic " is then put before the encoded string. For example, if the user uses Aladdin as the username and open sesame as the password then the header is formed as follows: Authorization: Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ== PHP Authentication Header Example (using cURL) curl setopt($ch, CURLOPT HTTPHEADER, ['Authorization: Basic ' . base64 encode("$username:$password")]); Verbs The API uses restful verbs. | Verb | Description | |---|---| | GET | Select one or more items. Success returns 200 status code. | | POST | Create a new item. Success returns 200 status code.
Reported outcomes
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Last check
Website answers · checked 2026-10-17
Test & rating
B 82/100
What it does: email · auth: unknown · OpenAPI spec
How the rating is made
- Website answers: +40
- OpenAPI spec: +20
- Auth effort: +5
- HTTPS: +5
- CORS: +2
- Description: +10
Rated 2026-10-17. Fixed rules, no AI model. Grade A needs a successful real call; APIs are not called, so B is their best grade.
Use
- Documentation: https://clicksend.com
- OpenAPI spec: https://api.apis.guru/v2/specs/clicksend.com/1.0.0/openapi.json
- Auth: auth unknown
Badge
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