FastMCP FastMCP
Sign In
Sinch Logo

Sinch

Official

Integrates with Sinch's communication APIs to send messages across SMS, WhatsApp, RCS, and email cha...

146 views
0 installs
Updated Sep 12, 2025
Not audited
Communication
Integrates with Sinch's communication APIs to send messages across SMS, WhatsApp, RCS, and email channels, manage voice calls and conferences, and perform phone number verification and lookup operations with multi-region support and webhook event tracking.

  1. Create/Get a Sinch Build Account

  2. Obtain Conversation API Credentials

    1. Project ID:
      • Select your desired project from the left of the top toolbar on the Sinch Build dashboard.
      • Fill the value for CONVERSATION_PROJECT_ID in the FastMCP connection interface.
    2. Access Key and Secret:
      • Go to Access keys section.
      • Select or create a new access key.
      • Fill CONVERSATION_KEY_ID and the one-time CONVERSATION_KEY_SECRET in the FastMCP connection interface.
    3. Conversation App ID (optional):
    4. Region (optional):
      • Set CONVERSATION_REGION to us, eu, or br based on your app's location. Defaults to us.
    5. SMS Channel Originator (as needed):
      • Set DEFAULT_SMS_ORIGINATOR to your sender phone number if applicable.
    6. Google Geocoding API Key (as needed):
      • If using address-to-location features, create and copy your Google Maps Geocoding API key.
      • Fill GEOCODING_API_KEY in the interface.
    7. ngrok Auth Token (as needed for message events):
      • Log in to ngrok, copy your auth token, and fill NGROK_AUTH_TOKEN.

  3. Obtain Verification API Credentials

    1. Go to Verification / Apps section.
    2. Create or select an app; copy the VERIFICATION_APPLICATION_KEY and VERIFICATION_APPLICATION_SECRET.
    3. Fill these in the FastMCP connection interface.

  4. Obtain Voice API Credentials

    1. Go to Voice / Apps section.
    2. Create or select an app; copy the VOICE_APPLICATION_KEY and VOICE_APPLICATION_SECRET.
    3. Fill these in the FastMCP connection interface.
    4. (Optional) Set CALLING_LINE_IDENTIFICATION to specify the displayed caller ID phone number.

  5. Obtain Mailgun API Credentials (Email Tools)

    1. Sign in to Mailgun.
    2. Select or create a domain.
    3. Go to your domain’s API security page to copy the MAILGUN_API_KEY.
    4. Record the domain as MAILGUN_DOMAIN and choose a MAILGUN_SENDER_ADDRESS.
    5. Fill these values in the FastMCP connection interface.

  6. Save/Install

    • Click the “Install Now” (or corresponding) button to apply and connect using your provided credentials.

Note:
All values should be filled into the FastMCP connection interface when prompted. Most keys can be regenerated if lost, except key secrets (copy upon creation).

Quick Start

View on GitHub

More for Communication

View All →

Report Issue

Thank you! Your issue report has been submitted successfully.