Calculate every EU renovation subsidy. One API.

Send a household profile and planned renovation works. Get back every grant, zero-interest loan, and tax benefit — across France, Germany, Italy, Belgium and Spain. In milliseconds.

200 OK — 47ms

            

What you send

  • Country
  • Household income
  • Property type & energy rating
  • Planned works (insulation, heat pump...)

What you receive

  • List of grants with amounts in €
  • Zero-interest loans available
  • Tax reductions
  • Estimated out-of-pocket cost

What we manage

  • Regulatory updates per country
  • Income threshold calculations
  • 5 EU countries maintained
  • 15+ subsidy schemes tracked

The problem we solve

Every EU country has different renovation subsidies. Different rules, income thresholds, calculation methods, and they change every year. Building this into your app means months of regulatory research per country. GreenCalc does it for you.

🇫🇷
France
4 schemes
🇩🇪
Germany
3 schemes
🇮🇹
Italy
3 schemes
🇧🇪
Belgium
3 regions
🇪🇸
Spain
2 schemes
{ one JSON response }

How it works

01

Describe the household

Income, household size, property type, energy rating, postal code.

02

List the planned works

Normalized codes: ROOF_INSULATION, HEAT_PUMP_AIR_WATER... Same code Berlin or Paris.

03

Get every eligible subsidy

Grants, zero-interest loans, and tax credits. With amounts, conditions, and calculation details.

Five countries. Every scheme.

🇫🇷
France
MaPrimeRénov' · CEE · Éco-PTZ · TVA 5.5%
Updated Jan 2026
🇩🇪
Germany
KfW 261/262 · BEG EM · BAFA Audit
Updated Jan 2026
🇮🇹
Italy
Superbonus · Ecobonus 65% · Bonus Casa
Updated Jan 2026
🇧🇪
Belgium
Prime Wallonie · Prime Bruxelles · Prime Flandre
Updated Jan 2026
🇪🇸
Spain
PREE · MOVES III
Updated Jan 2026

Test in 30 seconds. No signup.

Use the sandbox API key below. Fictitious data, real response format.

Open API Documentation →

Built for developers who build for green finance

Neobanks

Embed subsidy calculations in green loan flows

Energy comparators

Show customers total savings with subsidies

PropTech

Add renovation cost estimators to property listings

Fintech builders

Build the next green finance app on our API

Simple, transparent pricing

Sandbox
€0
Free forever
  • Unlimited sandbox calls
  • Fictitious data (not production)
  • Real JSON response format
  • Swagger UI + Redoc
Start free →
Developer
€29/mo
Per month, billed monthly
  • 200 simulations / month
  • Real production data
  • 5 EU countries
  • Email support (48h)
Sign up →
Scale
€349/mo
Per month, billed monthly
  • 20,000 simulations / month
  • Unlimited webhooks
  • SLA 99.9%
  • Dedicated account manager
Contact us →

Start with sandbox — free forever