Sinch Authentication

Cross-cutting skill that covers credential setup and authentication for all Sinch APIs. Determines the correct auth model, provides curl examples, SDK init code, and troubleshooting for common auth errors.

Agent Instructions

If the user hasn't specified which Sinch product they're integrating, ask first — the auth model depends on the product. Use the decision table in Step 1 to route to the correct credentials.

Source of Truth — what to load, and what is authoritative

This skill has two kinds of content with UNEQUAL reliability. Follow this precedence: