For AI agents: visit https://docs.fonoa.com/llms.txt for an index of all pages formatted in Markdown and endpoints in OpenAPI.

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v1.0

API Reference

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v1.0API Reference

Introduction

Welcome to Fonoa
Getting Started with Fonoa API

Details & Concepts

API Versioning
- Sample Request
Authentication
Naming Conventions
Response Codes
Webhooks
Sandbox environment
API terms of use

Fonoa Lookup

About Fonoa Lookup
What API version to use
Lookup Endpoints V2
Instant Lookup
- Find a tax identification numberpost
Lookup Endpoints V1
Lookup webhook events
Lookup sandbox environment

Fonoa Tax

About Fonoa Tax
Request a Calculation
View a Calculation
Update a Calculation
Tax Endpoints
- Request a calculationpost

Fonoa E-invoicing

About Fonoa E-Invoicing
Quickstart
Amounts and rounding
Submit a transaction
Get the result
Other scenarios
Fonoa E-Invoicing Endpoints
- Transactions
- Onboarding
Errors, Warnings and how to handle them
/v1/transactions/response
- Submit a business responsepost

Get in touch

Contact us

Contact Support

If you have any questions related to the Fonoa API, feel free to reach out via [email protected].

Updated 11 months ago

Failure response

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Updated 11 months ago

Failure response

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