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The official telnyx package provides Java and Kotlin-compatible clients generated from the same OpenAPI definition as the API reference.

Requests, types, and pagination

Immutable request and response models, uploads, raw responses, and pagination.

Resource map

Search every SDK resource and method and open the matching REST endpoint.

Errors, retries, and timeouts

Handle structured errors and configure retry and timeout behavior.

Webhooks

Verify ED25519 signatures and process webhook events.

Advanced usage

Configure language-specific logging, transport, raw responses, and custom requests.

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Install

Add com.telnyx.sdk:telnyx to the Gradle or Maven build using the current version published on Maven Central.

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Initialize the client and make a request

Quickstart from the current SDK source, using TELNYX_API_KEY for authentication:

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Source and releases

SDK releases can follow REST API changes at different times. Check the package registry for the current version and use the resource map to confirm method availability.