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

Policy gate sinch-shared-policy@5 (sha256:4864cf0fa8d6): The policy digest below is binding as written. Before implementation or live execution, read the full shared Sinch policy once per conversation — skip it if this exact ID/version/fingerprint is already loaded; read it if the version is newer or the fingerprint differs. This skill's canonical operation routes live in its Agent Instructions and Links sections.

Sinch policy digest (binding):