APIs & SDKs · Portugal
Machine-readable data on Portuguese new-build developments, permits, and property taxes
Ahrefs Domain Rating set in type 8 Nov 2026, reset 8 Nov 2026.
API and open data providing machine-readable access to new-build project information, building permits, and Portuguese property taxes for 308 municipalities.
flatin.pt provides HTTP API, MCP server, and open datasets for Portuguese real estate data. The platform tracks new-build developments with prices and delivery dates, building-permit cases from town halls, and municipal tax information. Data includes the construction barometer (monthly building-works cases), IMI rates for all 308 municipalities, purchase cost calculators (IMT and stamp duty), mortgage calculations, and where-to-live guides for Portuguese cities.
Access requires no API key or sign-up. The service offers both REST endpoints and an MCP (Model Context Protocol) server for AI assistants. All data is sourced from developers, town halls, and official Portuguese authorities (Tax Authority and INE statistics office).
Pricing model: Freemium
Free for buyers: API access, calculators, guides and property requests are free. Paid real-estate mediation services available for sellers under written contract terms.
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The API provides machine-readable access to new-build developments with prices per typology and delivery dates, building permits from town halls, where-to-live guides, key figures for each municipality from INE, the construction barometer, IMT and stamp duty purchase cost information, and IMI rates for all 308 municipalities.
No authentication is required. The API is accessible without a key or sign-up.
Data is available via HTTP REST API in JSON format, as CSV files, and as GeoJSON for geographic data. An OpenAPI 3.1 schema is provided for tooling integration, and an MCP server is available for AI assistants.
Yes, flatin.pt publishes open data under the CC BY 4.0 licence. When reusing the data, you must credit the source and link to flatin.pt.
Published data shows its source and the date it was checked. The platform tracks new developments as published by developers and building permits from town halls over the last five years, with snapshots stored for reproducibility.
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