# Postgrid MCP

Vendor: Postgrid  
Category: developer-tools  
Auth: API_KEY  
Composio slug: `postgrid`

PostGrid provides APIs for automating direct mail and address verification services, enabling businesses to send letters, postcards, and checks, as well as verify and standardize addresses in real-time.

## Setup

1. Create or open a Switchy Space.
2. Open Integrations and connect Postgrid.
3. Authorise through api_key.
4. Teammates can now @-mention Postgrid tools in chat.

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Last verified: 2026-04-23T23:46:29.618Z  
Canonical URL: https://switchy.build/mcps/postgrid