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Silurian Developers

SMS API reference.

Explore the live OpenAPI contract for authentication, estimation, message submission and delivery workflows. Choose the sandbox while building, then move the same integration to production when your product is ready.

Interactive OpenAPI documentation Back to SMS Developer API →
Use the API token from your Silurian workspace through HTTP Basic authentication, the X-API-TOKEN header or a documented short-lived Bearer token.
The OpenAPI contract stays aligned with the production SMS API and provides separate production and sandbox servers. Read the Silurian integration guide →