Business API ecosystem

Find trusted e-invoicing APIs. Build business workflows faster.

A shared repository for companies to discover, compare and evaluate APIs across invoice creation, transformation, validation and delivery.

Explore all APIs Browse by business need

Official documentation links
Clear verification status
Comparable technical metadata

Browse by business need

Start with the job your company needs to complete.

Each API is catalogued as an individual capability, so teams can compare services and combine them later.

01Creation

Create invoices

Find APIs that generate structured invoices from business and accounting data.

View matching APIs 02Transformation

Transform formats

Compare services that map invoice fields between UBL, XML, JSON and local standards.

View matching APIs 03Validation

Validate documents

Identify rule, schema and compliance checks before an invoice enters a delivery network.

View matching APIs 04Communication

Send and receive

Discover providers that exchange e-invoices through Peppol and other business networks.

View matching APIs

A practical company workflow

Move from discovery to a defensible integration decision.

1
Discover
Search the complete catalogue by provider, category, format and authentication method.
2
Compare
Review endpoints, documentation, access requirements and verification evidence in one place.
3
Connect
Select the services that fit the business process and prepare them for the BP Builder workflow.

Evidence before integration

Know what has been checked and what still needs review.

The repository separates visible records from manually verified records and retains official-source evidence. Restricted services can remain discoverable without being presented as publicly callable.

Open the API catalogue

Published: Visible in the catalogue, but not yet manually checked.
Verified: Reviewed against an official provider source with evidence recorded.
Restricted access: Real service with private, partner or enterprise-only access.