PostGrid · Rate Limits
Postgrid Rate Limits
Postgrid Rate Limits is the machine-readable rate-limit profile for PostGrid on the APIs.io network, conforming to the API Commons Rate Limits specification.
It captures 3 rate-limit definitions, measuring requests and addresses.
Tagged areas include Direct Mail, Print & Mail, Address Verification, Address Validation, and Postcards.
3 Limits
Direct MailPrint & MailAddress VerificationAddress ValidationPostcardsLettersChecksPhysical MailMail AutomationAddress AutocompleteGeocoding
Limits
Address Verification API (default)
5
Address Verification API (throughput)
100
Print & Mail API (test mode)
Work with this as data
Every rate limit here is available over the APIs.io API and to AI agents over MCP.
MCP server
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
Tools for rate limits
4 MCP tools reach this
find_rate_limitsBrowse and filter every rate limit in the catalog.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.
Call it yourself
curl for this page
This rate limit
curl "https://apis.io/api/v1/rate-limits/postgrid-rate-limits"
All rate limits
curl "https://apis.io/api/v1/rate-limits?limit=25"
Discovery needs no key. Ratings and market analysis are Pro.