RESTful HTTP endpoints that consume and return JSON. Requires API token authentication for most endpoints.Documentation Index
Fetch the complete documentation index at: https://developers.telnyx.com/llms.txt
Use this file to discover all available pages before exploring further.
API V2 Endpoint
https://api.telnyx.com/v2
S3 Compatible Endpoints
us-central-1.telnyxcloudstorage.comus-east-1.telnyxcloudstorage.comus-west-1.telnyxcloudstorage.com
Legacy Endpoints
No documentation exists for these endpoints. All documentation under /development pertains to V2 API.
V1 HTTP
https://api.telnyx.com/originationhttps://api.telnyx.com/terminationhttps://api.telnyx.com/messaginghttps://api.telnyx.com/reportinghttps://api.telnyx.com/securityhttps://api.telnyx.com/accounthttps://api.telnyx.com/caller-informationhttps://api.telnyx.com/LRNhttps://api.telnyx.com/LRNLookuphttps://sms.telnyx.com/messages
DNS ENUM
api.telnyx.comlrnlookup.telnyx.com
XML UDP
lrnlookup.telnyx.com
Core Concepts
Authentication & Security
Learn how to authenticate with Telnyx APIs and secure your applications.- API Authentication - API keys, tokens, and authentication methods
- Request & Response Handling - HTTP patterns and best practices
Reliability & Performance
Understand how to build robust applications that handle errors gracefully.- Rate Limiting - Understanding and handling API rate limits
- Error Handling & Retries - Retry patterns and error handling strategies
Data Standards
Follow Telnyx conventions for data formatting and API interactions.- Parameters & Field Names - Naming conventions and data formats
Real-time Communications
Implement real-time features using webhooks and event-driven architecture.- Webhook Fundamentals - Understanding and implementing webhooks