generated: '2026-10-08'
method: searched
source: 'https://github.com/sinch/skills (Apache-2.0; 28 skills under skills/<name>/SKILL.md, saved verbatim; install: npx
  skills add sinch/skills; also packaged in https://github.com/sinch/sinch-plugins); AGENTS.md saved as skills/AGENTS.md'
name: Sinch Agent Skills (provider-published)
note: These are the provider's own files, copied verbatim on 2026-10-08 from the main branch (pushed 2026-10-03). They carry
  no operations[] frontmatter, so operations is empty by design; the skills reference API endpoints in prose. Not generated
  by API Evangelist.
skills:
- file: skills/sinch-10dlc.md
  name: sinch-10dlc
  description: Registers US 10DLC brands and campaigns with Sinch for A2P SMS messaging. Use when the user needs to register
    a brand, create a 10DLC campaign, check registration status, troubleshoot a 10DLC rejection, fix an EIN mismatch, upgrade
    from simplified to full registration, or qualify a campaign for US S
  version: 1.3.0
  category: Numbers
  operations: []
  source: https://github.com/sinch/skills/blob/main/skills/sinch-10dlc/SKILL.md
- file: skills/sinch-authentication.md
  name: sinch-authentication
  description: Configures Sinch API credentials and authentication. Use when setting up OAuth2, Basic auth, application signing,
    or API keys for any Sinch product including Conversation API, Voice, Verification, Numbers, Fax, and Mailgun. Also use
    when troubleshooting 401 Unauthorized, 403 Forbidden, invalid signa
  version: 1.3.0
  category: Core
  operations: []
  source: https://github.com/sinch/skills/blob/main/skills/sinch-authentication/SKILL.md
- file: skills/sinch-cli.md
  name: sinch-cli
  description: 'Terminal commands for the Sinch CLI (`sinch`, npm `@sinch/cli`). Use whenever the user runs or asks about
    a `sinch` command: login, Functions init/dev/deploy/logs/status, phone numbers and porting, sending SMS/WhatsApp/RCS,
    placing calls and configuring voice services, fax, SIP trunks, secrets and t'
  version: 1.2.0
  category: Functions
  operations: []
  source: https://github.com/sinch/skills/blob/main/skills/sinch-cli/SKILL.md
- file: skills/sinch-conversation-api.md
  name: sinch-conversation-api
  description: 'Sends and receives omnichannel messages via the Sinch Conversation API across SMS, MMS, RCS, WhatsApp, Viber,
    Facebook Messenger, Instagram, Telegram, KakaoTalk, LINE, and WeChat. Covers the API layer: apps, contacts, conversations,
    processing modes, message types, webhooks and callbacks, templates,'
  version: 2.1.0
  category: Messaging
  operations: []
  source: https://github.com/sinch/skills/blob/main/skills/sinch-conversation-api/SKILL.md
- file: skills/sinch-elastic-sip-trunking.md
  name: sinch-elastic-sip-trunking
  description: Provisions SIP trunks, endpoints, ACLs, credential lists, and phone numbers via the Sinch Elastic SIP Trunking
    REST API. Use when the user needs SIP connectivity, trunk provisioning, inbound/outbound PSTN voice routing, PBX integration,
    or SIP-to-PSTN bridging.
  version: 1.2.1
  category: Voice
  operations: []
  source: https://github.com/sinch/skills/blob/main/skills/sinch-elastic-sip-trunking/SKILL.md
- file: skills/sinch-fax-api.md
  name: sinch-fax-api
  description: Send and receive faxes programmatically with Sinch Fax API. Use when building fax workflows, fax-to-email delivery,
    sending PDFs by fax, checking fax status, managing fax services, configuring cover pages, receiving fax webhooks, or integrating
    fax into healthcare, legal, or financial applications.
  version: 1.2.0
  category: Voice
  operations: []
  source: https://github.com/sinch/skills/blob/main/skills/sinch-fax-api/SKILL.md
- file: skills/sinch-functions-dotnet.md
  name: sinch-functions-dotnet
  description: 'Write C#/.NET Sinch Functions with the `Sinch.Functions.Runtime` NuGet package. Use when writing or editing
    a function controller: answering and controlling calls with Voice API v2, IVR menus, placing, bridging or transferring
    calls, realtime AI voice agents, SMS/WhatsApp/RCS webhooks, custom HTTP e'
  version: 1.2.0
  category: Functions
  operations: []
  source: https://github.com/sinch/skills/blob/main/skills/sinch-functions-dotnet/SKILL.md
- file: skills/sinch-functions-node.md
  name: sinch-functions-node
  description: 'Write Node.js/TypeScript Sinch Functions with `@sinch/functions-runtime`. Use when writing or editing `function.ts`:
    answering and controlling calls with Voice API v2, IVR menus, placing or bridging calls, SMS/WhatsApp/RCS webhooks, custom
    HTTP endpoints, cache/storage/database, auth and `setup()` h'
  version: 1.2.0
  category: Functions
  operations: []
  source: https://github.com/sinch/skills/blob/main/skills/sinch-functions-node/SKILL.md
- file: skills/sinch-functions.md
  name: sinch-functions
  description: 'Sinch Functions, the beta serverless platform for voice, SMS and conversation apps. Use for platform questions:
    what it is, how deployment works, choosing Node.js or C#, install and auth, FunctionContext, handlers, the Voice v2 call
    lifecycle and `call.*` events, voice services and `VOICE_SERVICE_ID'
  version: 1.2.0
  category: Functions
  operations: []
  source: https://github.com/sinch/skills/blob/main/skills/sinch-functions/SKILL.md
- file: skills/sinch-imported-numbers-hosting-orders.md
  name: sinch-imported-numbers-hosting-orders
  description: Import, host, qualify, and text-enable phone numbers for Sinch SMS using the Imported Numbers and Hosting Orders
    API. Use when importing non-Sinch numbers as DCA, creating hosting orders, qualifying numbers for text-enablement, managing
    LOA workflows, or checking hosting order status.
  version: 1.2.0
  category: Numbers
  operations: []
  source: https://github.com/sinch/skills/blob/main/skills/sinch-imported-numbers-hosting-orders/SKILL.md
- file: skills/sinch-in-app-calling.md
  name: sinch-in-app-calling
  description: Integrate Sinch In-App Voice and Video SDK for real-time calling in Android, iOS, or JavaScript apps. Use when
    the user mentions In-App Calling, VoIP integration, WebRTC with Sinch, app-to-phone calling, video calling, or building
    voice/video features in a mobile or web app.
  version: 1.2.0
  category: Voice & Video
  operations: []
  source: https://github.com/sinch/skills/blob/main/skills/sinch-in-app-calling/SKILL.md
- file: skills/sinch-mailgun-inspect.md
  name: sinch-mailgun-inspect
  description: Checks email quality before sending via Mailgun Inspect API. Use when previewing emails across clients, checking
    accessibility (WCAG), validating links, validating images, or analyzing email HTML/CSS compatibility.
  version: 1.2.0
  category: Email
  operations: []
  source: https://github.com/sinch/skills/blob/main/skills/sinch-mailgun-inspect/SKILL.md
- file: skills/sinch-mailgun-optimize.md
  name: sinch-mailgun-optimize
  description: Monitors email deliverability via Mailgun Optimize (InboxReady) API. Use when the user wants to test inbox
    placement with seed lists, monitor IP or domain blocklists, track spam traps, check email health scores, review DMARC
    reports, or pull Google Postmaster or Microsoft SNDS data. Also use when em
  version: 1.2.0
  category: Email
  operations: []
  source: https://github.com/sinch/skills/blob/main/skills/sinch-mailgun-optimize/SKILL.md
- file: skills/sinch-mailgun-validate.md
  name: sinch-mailgun-validate
  description: Build with Mailgun Validate API for email verification and list hygiene. Use when validating email addresses,
    checking email deliverability, running bulk validation jobs, previewing list health, or cleaning an email list.
  version: 1.2.0
  category: Email
  operations: []
  source: https://github.com/sinch/skills/blob/main/skills/sinch-mailgun-validate/SKILL.md
- file: skills/sinch-mailgun.md
  name: sinch-mailgun
  description: 'Sends, receives, and tracks email via the Mailgun (Sinch) API. Use when the user wants to send email, manage
    domains, configure webhooks, query email events/logs, manage templates, handle suppressions (bounces, unsubscribes, complaints),
    set up inbound routes, manage mailing lists, DKIM keys, or IP '
  version: 1.2.0
  category: Email
  operations: []
  source: https://github.com/sinch/skills/blob/main/skills/sinch-mailgun/SKILL.md
- file: skills/sinch-mms.md
  name: sinch-mms
  description: 'Sends MMS multimedia messages (images, video, audio, PDFs, vCards) via the MMS channel of the Sinch Conversation
    API. Available in the United States, Canada, and Australia only. Covers supported media types, file size limits, MMS channel
    properties, and transcoding behavior. Use when sending an MMS '
  version: 1.2.0
  category: Messaging
  operations: []
  source: https://github.com/sinch/skills/blob/main/skills/sinch-mms/SKILL.md
- file: skills/sinch-number-lookup-api.md
  name: sinch-number-lookup-api
  description: Looks up phone number details via Sinch Number Lookup API. Use when checking carrier, line type, porting status,
    SIM swap, VoIP detection, or reassigned number detection (RND) for fraud prevention or routing decisions.
  version: 1.2.0
  category: Numbers
  operations: []
  source: https://github.com/sinch/skills/blob/main/skills/sinch-number-lookup-api/SKILL.md
- file: skills/sinch-number-order-api.md
  name: sinch-number-order-api
  description: Guides the multi-step Number Order workflow for purchasing phone numbers with KYC compliance via the Sinch
    Numbers API. Use when buying, ordering, provisioning, or activating Sinch numbers in countries that require KYC registration,
    regulatory compliance, or identity verification. Triggers on "numbe
  version: 1.2.0
  category: Numbers
  operations: []
  source: https://github.com/sinch/skills/blob/main/skills/sinch-number-order-api/SKILL.md
- file: skills/sinch-numbers-api.md
  name: sinch-numbers-api
  description: Search, rent, manage, and release phone numbers with the Sinch Numbers API. Use when listing active numbers,
    searching available numbers, renting or releasing numbers, updating number configuration (SMS/voice/callback), managing
    emergency addresses, or checking available regions.
  version: 1.3.0
  category: Numbers
  operations: []
  source: https://github.com/sinch/skills/blob/main/skills/sinch-numbers-api/SKILL.md
- file: skills/sinch-porting-api.md
  name: sinch-porting-api
  description: Port phone numbers from other carriers into Sinch with the Porting API. Automates port-in order creation, portability
    checks, order tracking, on-demand activation, and webhook notifications. Use when porting numbers, checking portability,
    creating port-in orders, tracking port status, activating por
  version: 1.2.0
  category: Numbers
  operations: []
  source: https://github.com/sinch/skills/blob/main/skills/sinch-porting-api/SKILL.md
- file: skills/sinch-provisioning-api.md
  name: sinch-provisioning-api
  description: Provisions and manages channel resources for Conversation API projects, including WhatsApp accounts/senders/templates,
    RCS senders, KakaoTalk senders/templates, webhooks, and bundles. Use when the user asks to onboard channels, configure
    provisioning webhooks, manage templates, orchestrate multi-ser
  version: 1.2.0
  category: Messaging
  operations: []
  source: https://github.com/sinch/skills/blob/main/skills/sinch-provisioning-api/SKILL.md
- file: skills/sinch-rcs.md
  name: sinch-rcs
  description: Sends RCS (Rich Communication Services) messages via the RCS channel of the Sinch Conversation API — rich cards,
    carousels, suggested replies and actions, media, location, and calendar actions, with automatic SMS fallback. Use when
    sending an RCS message, rich card, carousel, or suggested-action mes
  version: 1.2.0
  category: Messaging
  operations: []
  source: https://github.com/sinch/skills/blob/main/skills/sinch-rcs/SKILL.md
- file: skills/sinch-sdks.md
  name: sinch-sdks
  description: Sinch SDK installation and client initialization for Node.js, Python, Java, and .NET. Use when installing a
    Sinch SDK, initializing SinchClient, setting up SDK credentials, configuring conversation region in SDK, or building a
    multi-product SDK client. For In-App Calling SDKs, see sinch-in-app-calli
  version: 1.2.0
  category: Core
  operations: []
  source: https://github.com/sinch/skills/blob/main/skills/sinch-sdks/SKILL.md
- file: skills/sinch-sms.md
  name: sinch-sms
  description: Sends and receives SMS text messages via the SMS channel of the Sinch Conversation API. Covers sender ID types
    (long code, short code, alphanumeric, toll-free, 10DLC), GSM 7-bit vs UCS-2 character encoding, concatenated multi-part
    messages, opt-out (STOP) handling, and SMS channel properties. Use wh
  version: 1.2.0
  category: Messaging
  operations: []
  source: https://github.com/sinch/skills/blob/main/skills/sinch-sms/SKILL.md
- file: skills/sinch-verification-api.md
  name: sinch-verification-api
  description: Verify phone numbers via SMS, Flashcall, Phone Call, Data (seamless carrier-level), or WhatsApp with Sinch
    Verification API. Use when implementing user phone verification, OTP, two-factor authentication, or number ownership confirmation
    flows.
  version: 1.2.0
  category: Verification
  operations: []
  source: https://github.com/sinch/skills/blob/main/skills/sinch-verification-api/SKILL.md
- file: skills/sinch-voice-api-v2.md
  name: sinch-voice-api-v2
  description: Build programmable calling with the Sinch Voice API v2 (public preview). Use for creating outbound calls, handling
    Voice v2 webhooks, writing SVAML v2 call flows, IVR menus, bridging call legs, call recording, batch calling, connecting
    Voice Relay or raw audio streams to AI voice agents, and migrati
  version: 0.3.0
  category: Voice
  operations: []
  source: https://github.com/sinch/skills/blob/main/skills/sinch-voice-api-v2/SKILL.md
- file: skills/sinch-voice-api.md
  name: sinch-voice-api
  description: Build voice apps with the Sinch Voice API v1. Use for phone calls, text-to-speech (TTS), IVR menus, DTMF input,
    conference calling, call recording, call forwarding, answering machine detection (AMD), SIP routing, WebSocket audio streaming,
    and SVAML call control. Not for Voice API v2 (public preview
  version: 1.3.0
  category: Voice
  operations: []
  source: https://github.com/sinch/skills/blob/main/skills/sinch-voice-api/SKILL.md
- file: skills/sinch-whatsapp.md
  name: sinch-whatsapp
  description: Sends WhatsApp Business messages via the WhatsApp channel of the Sinch Conversation API — text, media, interactive,
    and Meta-approved template messages. Covers the 24-hour customer service window, template approval, opt-in requirements,
    and media specifications. Use when sending a WhatsApp message o
  version: 1.2.0
  category: Messaging
  operations: []
  source: https://github.com/sinch/skills/blob/main/skills/sinch-whatsapp/SKILL.md