API Reference

Explore every REST endpoint across Sendexa products. Filter by product or method, inspect parameters, copy multi-language samples, and run a local response simulation.

Base URL

https://api.sendexa.co

Authentication

Authorization: Basic <token>

Auth guide →

Format

JSON over HTTPS. Shared response envelope with success, code, data, and requestId.

POST/v1/sms/send

Stable

Send SMS

Send a single SMS with automatic number formatting and delivery tracking.

Full product docs

Headers

Name	Type	Description
Authorization	stringrequired	Basic <Base64 token> from the dashboard.
Content-Type	stringrequired	application/json

Body parameters

Name	Type	Description
to	stringrequired	Recipient MSISDN (local or E.164).
from	stringrequired	Approved sender ID (max 11 chars).
message	stringrequired	Message body (max 1530 chars).
reference	stringoptional	Your correlation ID.
scheduledAt	stringoptional	ISO 8601 schedule time.

Responses

JSON

{
  "success": true,
  "code": "SMS_SENT",
  "message": "Message accepted for delivery.",
  "requestId": "req_01EXAMPLE",
  "data": {
    "messageId": "MSG-50f285a0-90ba-4871",
    "channel": "sms",
    "delivery": {
      "status": "SENT",
      "submittedAt": "2026-07-12T12:00:00Z"
    },
    "billing": {
      "units": 1,
      "currency": "GHS",
      "unitCost": 0.035
    }
  }
}

Code samples

Bash

curl -X POST 'https://api.sendexa.co/v1/sms/send' \
  -H 'Content-Type: application/json' \
  -H 'Authorization: Basic YOUR_BASE64_TOKEN' \
  -d '{"to":"0555539152","from":"YourBrand","message":"Hello from Sendexa!"}'