api.postgrid.com

PostGrid provides APIs and dashboards for address verification and for sending physical mail such as letters, postcards, and cheques. It also supports related operational features like webhooks, sub-organizations, and tracking for mailed items.

2 integrations · REST

PostGrid exposes two authenticated REST APIs on `api.postgrid.com`: an Address Verification API and a Print & Mail API, both using PostGrid-issued API keys via `x-api-key`.

discovered 1mo ago

REST · OpenAPI2

PostGrid Address Verification APIdiscoveredrest
PostGrid Print & Mail APIdiscoveredrest

Credentials

PostGrid API key (test or live; public/secret variants for address verification)api_keyGet key ↗

Create or retrieve your key in the PostGrid dashboard. For Address Verification, go to Developers, click Create new access key, and choose the key type; batch verification requires a secret key. For Print & Mail, each organization user gets test and live API keys in the dashboard settings as described in Getting Started. Send the key in the x-api-key header; curl can also use -u YOUR_API_KEY.

conventions · 0/8 published

integrations.json✗/.well-known/integrations.json
llms.txt✗/llms.txt
API catalog✗/.well-known/api-catalog
OpenAPI document✗/api/schema/, /openapi.json, /swagger.json, /api/openapi.json, or /v1/openapi.json
MCP server card✗/.well-known/mcp/server-card.json
OAuth protected resource✗/.well-known/oauth-protected-resource
Agent card✗/.well-known/agent-card.json
Agent skills✗/.well-known/agent-skills/index.json

Publish these signals → /publishing