1 free validation on signup
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Validate any address, instantly
Enter an address and we'll verify it against USPS, standardize the format, and parse it into components. Built for developers, AI agents, and automation workflows.
First validation is free. No credit card required.
REST API
Single HTTP call to validate any address. JSON response with parsed components. API keys for authentication.
AI Agent Ready
MCP server for Claude, OpenAPI spec for ChatGPT GPT Actions, and webhook support for Zapier and Make.
Bulk Validation
Upload a CSV of addresses and download validated results. Background processing with progress tracking.
$0.01
per validation
< 200ms
average response time
USPS
validated against
5,000+
apps via Zapier