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 sh
https://rest.clicksend.com/v3
Auth type
Basic Auth
Auth header
Authorization: Basic BASE64(username:password)
Rate limit
Not officially published
Pricing
Enterprise / contact sales
Free quota
None
Documentation
https://rest.clicksend.com/v3
Endpoint status
Server online — HTTP 404 — server is online but path returned an error (may require auth)1.33s
(checked Mar 29, 2026)
Builder score
D
46%
builder-friendly
HTTP Basic Auth — base64-encoded username:password
Authorization: Basic BASE64(username:password)
Pay-as-you-go SMS/email/post. SMS from $0.019/message. No monthly minimum.
| Method | Path | Description |
|---|---|---|
| GET | /account |
Get account |
| POST | /account |
Create a new account |
| PUT | /account |
Update Account |
| PUT | /account-verify/send |
Send account activation token |
| PUT | /account-verify/verify/{activation_token} |
Verify new account |
| GET | /account/usage/{year}/{month}/{type} |
Account Usage |
| GET | /automations/email/receipt |
List Rules |
| POST | /automations/email/receipt |
Create a New Rule |
curl -X GET 'https://rest.clicksend.com/v3/account' \ -H 'Authorization: Basic BASE64(username:password)'
{}
Data sourced from API Map. Always verify pricing and rate limits against the official ClickSend REST API v3 documentation.