latestOpenAPI 3.0.3MIT2026-08-102357127.0 KB

c3d50cf4681d

Imported Numbers and Hosting Orders Callbacks

Get callbacks configuration

Returns the callbacks configuration for the specified project

get/v1/projects/{projectId}/callbackConfiguration

Path parameters

projectIdstring required
Example:d1923022-5199-4bb3-a513-c47b3a656bc5

Found on your Sinch Customer Dashboard. Settings > Projects.

Response

Callbacks configuration

projectIdstring

ID of the project the configuration belongs to.

hmacSecretstring

The HMAC secret used for hashing the callback body using the HMAC-SHA1 algorithm - and for creating the X-Sinch-Signature header.

Example response

{
  "projectId": "a99aa9aa-b888-777c-dd6d-ee55e5555555",
  "hmacSecret": "YOUR_hmac_secret"
}