Sinch Skills

AI agent skills for Sinch communication APIs. Get expert guidance on getting started, best practices, and gotchas -- right inside your AI coding agent.

Installation

npx skills add sinch/skills

These skills can also be installed via the Sinch Plugins.

Available Skills

Skill	Category	Description
sinch-authentication	Core	Sinch API auth setup (OAuth2, API keys, SDK init, dashboard links)
sinch-conversation-api	Messaging	Omnichannel messaging — SMS, WhatsApp, RCS, MMS, Viber, and more. Includes channel guides, templates, batch sending, and webhooks
sinch-provisioning-api	Messaging	Provision WhatsApp senders, RCS agents, templates, and webhooks
sinch-voice-api	Voice & Video	Make, receive, and control voice calls (SVAML, IVR, TTS, conferencing)
sinch-in-app-calling	Voice & Video	In-app voice and video SDK
sinch-elastic-sip-trunking	Voice & Video	SIP trunk and number management
sinch-mailgun	Email	Mailgun Email API — sending, receiving, tracking
sinch-mailgun-inspect	Email	Email preview and rendering
sinch-mailgun-optimize	Email	Email deliverability optimization
sinch-mailgun-validate	Email	Email address verification
sinch-numbers-api	Numbers	Search, rent, manage, and release phone numbers
sinch-number-order-api	Numbers	Multi-step number ordering with KYC compliance
sinch-imported-numbers-hosting-orders	Numbers	Import, host, and text-enable non-Sinch phone numbers
sinch-10dlc	Numbers	US 10DLC brand and campaign registration
sinch-verification-api	Verification	Phone number verification (SMS, Voice, Flashcall, WhatsApp)
sinch-number-lookup-api	Verification	Phone number lookup and validation
sinch-fax-api	Other	Send and receive faxes

Skill Structure

skills/
  <product>/
    SKILL.md            # Main skill file (required)
    scripts/            # Optional helper scripts
    references/         # Optional detailed reference material
    assets/             # Optional images or other assets

Each skill lives in its own folder under skills/. The SKILL.md file contains YAML frontmatter (name and description) and markdown sections covering Overview, Getting Started, Key Concepts, Common Patterns, Gotchas & Best Practices, and Links.

Contributing

1. Create skills/<product-name>/SKILL.md with YAML frontmatter (--- delimiters, name and description fields)
2. Fill in the YAML frontmatter and all body sections
3. Keep each SKILL.md under 500 lines
4. Use sinch-<product> naming for the name field
5. Write for AI agents: concise, actionable, include code examples
6. Use curl and Node.js SDK (@sinch/sdk-core) for examples. Exception: Mailgun skills use mailgun.js.

Links

• Sinch Plugins
• Sinch Developer Docs
• Sinch Dashboard
• skills.sh

Use of Sinch Services

These Skills provides developers with a way to interact with Sinch APIs and services from supported developer tools or environments. Use of Sinch services requires a valid Sinch account and is subject to the applicable Sinch Terms of Service available at: https://sinch.com/legal/terms-and-conditions/other-sinch-terms-conditions/sinch-engage/sinch-engage-terms/

These Skills may be used in conjunction with third-party developer tools, IDEs, platforms, or environments that are not operated or controlled by Sinch. Such third-party tools or platforms are subject to their own terms and policies.

These Skills are provided on an “as-is” basis, and Sinch is not responsible for the operation, availability, performance, or security of any third-party tools or platforms.

License

Apache-2.0

Copyright Sinch AB, https://sinch.com

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.