Developer guide

The parts of an email verification API that matter in production: authentication, result model, errors, rate limits and bulk endpoints.

Where to verify, what to store and how to handle results in application code.

A small Node.js example that verifies an address with the ValidReach API and handles unknown, 402 and 429 responses.

A Python example using requests to verify an address with the ValidReach API and handle common error responses.

How ValidReach webhooks work: events, signed deliveries and how to check the signature on your server.

Split on the last @ sign. Examples for common languages and the edge cases to handle.