# 44API MCP

Vendor: 44API  
Category: other  
Auth: API_KEY  
Composio slug: `44api`

44API validates VAT and tax identifiers, returns available company details, and manages account IP whitelists.

## Tools

- **Add Whitelisted IP** — Add one IPv4 or IPv6 address to the account whitelist using a verification email address. Requires an Enterprise 44API plan. The request contract is documented, but a successful addition has not been live-verified.
- **List Whitelisted IPs** — List IP addresses currently allowed by the account whitelist. This operation requires an Enterprise 44API plan; the API rejects lower-tier accounts.
- **Remove Whitelisted IP** — Remove one IPv4 or IPv6 address from the account whitelist. This destructive operation changes account access controls and requires an Enterprise 44API plan. The shared whitelist endpoint's Enterprise gate was live-verified, but its mutatin
- **Validate VAT Number** — Validate one VAT or tax ID for a supported country and return its validity plus any company details available on the connected plan.

## Setup

1. Create or open a Switchy Project.
2. Open Integrations and connect 44API.
3. Authorise through api_key.
4. Teammates can now @-mention 44API tools in chat.

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Last verified: 2026-09-04T02:00:56.012Z  
Canonical URL: https://switchy.build/directory/mcps/44api