sinch-numbers-api

Enables sending and receiving faxes programmatically via the Sinch Fax API, supporting multiple file formats, webhooks for incoming faxes, fax-to-email delivery, automatic retries, and fax service management for healthcare, legal, and financial applications.

Sinch API authentication configuration skill covering OAuth2, Basic auth, application signing, and API keys for Voice, Verification, Numbers, Fax, and Mailgun services.

An agent skill for Sinch omnichannel messaging — covering SMS, WhatsApp, RCS, MMS, Viber, and more — with channel-specific guides, message templates, batch sending, and webhook configuration.

A Claude Code skill for sending, receiving, and tracking email via the Mailgun (Sinch) API. Covers domain management, webhook configuration, event querying, template management, suppression handling (bounces, unsubscribes, complaints), inbound routing, mailing lists, DKIM keys, and IP warmup.

A skill for provisioning and managing channel resources in the Sinch Conversation API, covering WhatsApp accounts/senders/templates, RCS senders, KakaoTalk senders/templates, webhooks, and bundles. Provides deterministic agent workflows for channel onboarding, template management, and multi-service bundle orchestration.

Queries phone numbers for carrier, line type, porting status, SIM swap, VoIP detection, and reassigned number detection via the Sinch Number Lookup API, used for fraud prevention, routing decisions, and data enrichment.

Provisions SIP trunks, endpoints, ACLs, credential lists, and phone numbers via the Sinch Elastic SIP Trunking REST API for routing voice traffic between customer infrastructure and the PSTN.

Registers US 10DLC brands and campaigns with Sinch for Application-to-Person (A2P) SMS messaging on standard 10-digit phone numbers, covering brand registration, campaign creation, status checks, and rejection troubleshooting.

A skill for building voice applications with the Sinch Voice REST API, supporting phone calls, text-to-speech, IVR menus, DTMF input, conference calling, call recording, answering machine detection, SIP routing, and WebSocket audio streaming via SVAML call control.

Verifies email addresses using the Mailgun Validate API, supporting real-time single address validation, bulk batch verification jobs, and free List Health Previews to sample list quality before committing to full validation.