CoussemaSMS API
Send SMS from your application: reference, quickstart, webhooks, errors and examples.
Guides
API referenceEndpoints, authentication, idempotency and the OpenAPI 3.1 contract.QuickstartFirst SMS send, headers and the 202 response.JavaScriptNode.js fetch, asynchronous response and webhook signature.Pythonrequests, server key, idempotency and webhooks.PHPGuzzle, native cURL, Laravel and webhook verification.WebhooksSignature, retries and delivery events.Examplescurl and JavaScript for SMS, contacts, campaigns and webhooks.API errorsReplay, idempotency, `x-request-id` and 4xx/5xx responses.