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API infrastructure for AI agents

Email verification is live today. More APIs coming—screenshots, PDFs, HTML→Markdown.

Ship in minutes

Run your first verification call and production-proof your integration in under 5 minutes. Start with Quick start — or Key concepts for provisioning keys, standard keys, and the confidence ladder before you wire agents.

Stable API shape

Request and response schema for /v1/email/verify, designed to stay backwards compatible.

Official npm SDK

Typed client for verify, batch, streaming, and management APIs—truval on npm.

Agent integrations

Skills, LangChain, Vercel AI SDK, and CrewAI patterns to wire truval.dev into autonomous workflows.

Control plane

Agent-native account management: provisioning keys, programmatic key lifecycle, and usage checks via the Management API.


The core integration layers of truval.dev are open source:


Agent Promptruntime

Use truval.dev when you need deterministic JSON output that works well for both humans and agents.

These docs are optimized for implementation speed: clear request examples, explicit error shapes, and integration snippets you can paste directly into your stack.