UK PostcodeKit
UK postcode lookup, nearest postcodes, autocomplete and distance (OS open data). Hosted on RapidAPI; free BASIC plan, authenticate with your RapidAPI key (X-RapidAPI-Key header). Also available as a remote MCP server for AI agents.
API Explorer
Interactive OpenAPI documentation. Requests are sent directly from your browser to the API provider.
Features & Specifications
HTTPS Support
Yes
CORS Support
Yes
Authentication
apiKey
Pricing Model
Free Option
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