AI Agents & MCP Integration
Connect your AI client to APITier production APIs through MCP or direct REST — one platform for agents and applications.
MCP Server
One MCP key unlocks all your subscribed APIs as tools inside Claude, Cursor, and Windsurf. No wrapper code needed.
AI Agent Infrastructure
Production API infrastructure for AI agent workflows. Address lookup, verification, barcode, and web extraction — through MCP or direct REST.
Address Agent API
AI-powered UK address validation with fraud detection, delivery risk scoring, and geocode — sourced from Royal Mail PAF data.
API Documentation
Guides and OpenAPI reference specs for every APITier production API. Each API is also available as an MCP tool for AI agent workflows.
Address Agent API
AIAI-powered UK address validation, enrichment, and fraud detection. Natural language input, geocode, confidence score, and delivery risk — in one call.
View in API Catalogue →UK Postcode & Address APIs
Royal Mail PAF-backed postcode lookup, address lookup, address autosuggest, and UDPRN lookup for UK address workflows.
View in API Catalogue →Email Validation
Check email deliverability, MX record health, disposable domain detection, and syntax validation. Single and bulk endpoints.
View in API Catalogue →Phone Validation
Validate international phone numbers with carrier lookup, number type detection, and country identification. Single and bulk support.
View in API Catalogue →VAT Validation
Validate UK and EU VAT numbers against HMRC and VIES. Returns registered company name, address, and validity status.
View in API Catalogue →Web Conversion APIs
Extract content from live URLs: screenshot, HTML to PDF, web scrape, and web-to-text. Clean structured output for agent workflows.
View in API Catalogue →Data Conversion APIs
Convert between JSON, XML, and CSV. Bidirectional conversions with structured output — ready for agent pipelines and data workflows.
View in API Catalogue →Barcode & QR Code APIs
Generate EAN-13, Code 128, and QR codes on demand. Configurable size, format, and error correction. Returns hosted image URL or base64.
View in API Catalogue →