Fonoa

aid: fonoa
name: Fonoa
description: 'Fonoa is a global indirect tax automation platform that connects the full indirect tax lifecycle on one platform,
  serving enterprises across 100+ countries and jurisdictions. The platform provides APIs for real-time tax ID validation
  across 120+ countries, VAT/GST and sales tax calculation, e-invoicing compliance with local mandates, transaction reporting,
  and automated multi-country tax return filing. Companies such as Zoom, Uber, Booking.com, and Remote.com rely on Fonoa to
  automate and manage their global indirect tax obligations through a single API integration.

  '
type: Index
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
tags:
- Tax
- VAT
- GST
- E-Invoicing
- Tax Automation
- Tax Compliance
- Tax Calculation
- Tax ID Validation
- Invoice Generation
- Global Tax
- Indirect Tax
- FinTech
url: https://raw.githubusercontent.com/api-evangelist/fonoa/refs/heads/main/apis.yml
created: '2026-06-12'
modified: '2026-06-12'
specificationVersion: '0.19'
apis:
- aid: fonoa:validate-api
  name: Fonoa Validate API
  description: 'Tax Identification Number (TIN) validation API supporting instant lookups and batch validation across 120+
    countries. Enables real-time VAT/GST ID verification, TIN search by business name, result polling, and cancellation of
    pending validations.

    '
  humanURL: https://docs.fonoa.com/reference/instant-lookup
  baseURL: https://api.fonoa.com/validate
  tags:
  - Tax ID Validation
  - VAT
  - TIN
  - Batch Validation
  properties:
  - type: Documentation
    url: https://docs.fonoa.com/reference/instant-lookup
  - type: OpenAPI
    url: openapi/fonoa-validate-openapi.yml
- aid: fonoa:tax-engine-api
  name: Fonoa Tax Engine API
  description: 'Tax calculation API that determines applicable VAT, GST, and sales tax rates for transactions across 100+
    jurisdictions. Supports B2C and marketplace scenarios with real-time tax determination and the ability to view and commit
    calculations.

    '
  humanURL: https://docs.fonoa.com/reference/welcome-to-fonoa
  baseURL: https://api.fonoa.com/tax
  tags:
  - Tax Calculation
  - VAT
  - GST
  - Sales Tax
  properties:
  - type: Documentation
    url: https://docs.fonoa.com/reference/welcome-to-fonoa
  - type: OpenAPI
    url: openapi/fonoa-tax-engine-openapi.yml
- aid: fonoa:e-invoicing-api
  name: Fonoa E-Invoicing API
  description: 'Unified e-invoicing API that manages the full transaction lifecycle including submitting, adjusting, crediting,
    and canceling e-invoices in compliance with local mandates across multiple countries. Supports backfilling previously
    reported transactions and retrieving transaction history and status.

    '
  humanURL: https://www.fonoa.com/platform/e-invoicing
  baseURL: https://api.fonoa.com/invoicing
  tags:
  - E-Invoicing
  - Invoice Generation
  - Tax Compliance
  - Digital Reporting
  properties:
  - type: Documentation
    url: https://www.fonoa.com/platform/e-invoicing
  - type: OpenAPI
    url: openapi/fonoa-e-invoicing-openapi.yml
- aid: fonoa:onboarding-api
  name: Fonoa Onboarding API
  description: 'API for registering companies and individuals as transaction participants (suppliers and customers) in Fonoa''s
    platform. Supports creating, updating, deleting, and retrieving company and individual participant profiles required for
    tax compliance workflows.

    '
  humanURL: https://docs.fonoa.com/reference/onboarding-v2
  baseURL: https://api.fonoa.com/onboarding
  tags:
  - Onboarding
  - Company Registration
  - Participant Management
  properties:
  - type: Documentation
    url: https://docs.fonoa.com/reference/onboarding-v2
  - type: OpenAPI
    url: openapi/fonoa-onboarding-openapi.yml
- aid: fonoa:webhooks-api
  name: Fonoa Webhooks API
  description: 'Webhooks management API for configuring real-time event notifications from Fonoa''s platform. Recommended
    over polling for transaction status updates and e-invoicing compliance events.

    '
  humanURL: https://docs.fonoa.com/reference/welcome-to-fonoa
  baseURL: https://api.fonoa.com/webhooks
  tags:
  - Webhooks
  - Event Notifications
  - Real-Time
  properties:
  - type: Documentation
    url: https://docs.fonoa.com/reference/welcome-to-fonoa
common:
- type: Website
  url: https://www.fonoa.com
- type: Documentation
  url: https://docs.fonoa.com/reference/welcome-to-fonoa
- type: GettingStarted
  url: https://docs.fonoa.com/reference/getting-started-with-fonoa-api
- type: Authentication
  url: https://docs.fonoa.com/reference/api-authentication-overview
- type: Environments
  url: https://docs.fonoa.com/reference/environments
- type: ChangeLog
  url: https://docs.fonoa.com/reference/change-log
- type: Blog
  url: https://www.fonoa.com/resources/blog
- type: LinkedIn
  url: https://www.linkedin.com/company/fonoa
- type: X
  url: https://twitter.com/Fonoa_HQ
- type: GitHubOrganization
  url: https://github.com/Fonoa-Tech
- type: Security
  url: https://www.fonoa.com/resources/security
- type: Plans
  url: plans/fonoa-plans-pricing.yml
- type: RateLimits
  url: rate-limits/fonoa-rate-limits.yml
- type: FinOps
  url: finops/fonoa-finops.yml
- type: JSONLDContext
  url: json-ld/fonoa-context.jsonld
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com