VerifFR French Company & VAT Lookup API

x402

VerifFR French Company & VAT Lookup API is a paid API for AI agents from veriffr.vercel.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-29).

Looks up French company details (SIREN/SIRET), EU VAT numbers, and addresses by company name, identifier, or address fragment.

Price / call$0.01

Seller volume →—

Success—

StatusUnknown

How this service works

Verify French companies, EU VAT numbers, and addresses from one API. Pay per call with USDC on Base via x402. No account, no API key.

Output

Returns a JSON object with the company's official name, SIRET (14-digit), SIREN (9-digit), EU VAT number, full registered address, city, NAF activity code, active/inactive status, and employee band (e.g. '1000-1999 employees').

Example use cases

Supplier due diligence before contract

“We're about to sign a contract with a French supplier called Legrand SA — can you pull their SIRET, VAT number, registered address, and confirm they're still an active business?”

EU VAT number validation for invoicing

“I need to validate the EU VAT number for a French company before I issue an invoice — the company is called Vinci Construction, can you get their official VAT ID?”

Enrich CRM with French company data

“I have a lead from a company named 'Capgemini' in France — can you find their SIRET, NAF code, employee count, and full registered address so I can enrich their CRM record?”

Technical details

Endpoint

GEThttps://veriffr.vercel.app/api/v1/company?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need authoritative French company data (SIRET, SIREN, VAT, address) without needing an API key or monthly subscription — ideal for pay-per-call agent workflows doing one-off supplier verification, invoice validation, or CRM enrichment. Prefer it over full KYB platforms when you only need registry-level facts about French entities rather than full identity verification with documents.

Side effects

No match found for the given company name or identifier — returns empty results or 404
Ambiguous company name returns multiple results up to the limit; caller must refine query
Invalid or malformed SIRET (not 14 digits) causes a validation error
Rate limiting or payment failure on the x402 micropayment layer results in 402 response
Company exists but has no VAT number (e.g. micro-enterprises below VAT threshold) — VAT field may be null

Input

Schema · Request body

Field	Type	Description
inputrequired	object
output	object

Output

Schema · Response

{
  "type": "json",
  "example": {
    "naf": "46.71Z",
    "vat": "FR22531680445",
    "city": "NANTERRE",
    "name": "TOTALENERGIES MARKETING FRANCE",
    "siren": "531680445",
    "siret": "53168044500024",
    "active": true,
    "address": "562 AVENUE DU PARC DE L'ILE 92000 NANTERRE",
    "employees": "1000-1999 employees"
  }
}

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How this service works

Verify French companies, EU VAT numbers, and addresses from one API. Pay per call with USDC on Base via x402. No account, no API key.

Output

Example use cases

Supplier due diligence before contract

“We're about to sign a contract with a French supplier called Legrand SA — can you pull their SIRET, VAT number, registered address, and confirm they're still an active business?”

EU VAT number validation for invoicing

“I need to validate the EU VAT number for a French company before I issue an invoice — the company is called Vinci Construction, can you get their official VAT ID?”

Enrich CRM with French company data

“I have a lead from a company named 'Capgemini' in France — can you find their SIRET, NAF code, employee count, and full registered address so I can enrich their CRM record?”

Technical details

Endpoint

GEThttps://veriffr.vercel.app/api/v1/company?utm_source=zero.xyz

When to prefer

Side effects

No match found for the given company name or identifier — returns empty results or 404
Ambiguous company name returns multiple results up to the limit; caller must refine query
Invalid or malformed SIRET (not 14 digits) causes a validation error
Rate limiting or payment failure on the x402 micropayment layer results in 402 response
Company exists but has no VAT number (e.g. micro-enterprises below VAT threshold) — VAT field may be null

Input

Schema · Request body

Field	Type	Description
inputrequired	object
output	object

Output

Schema · Response

{
  "type": "json",
  "example": {
    "naf": "46.71Z",
    "vat": "FR22531680445",
    "city": "NANTERRE",
    "name": "TOTALENERGIES MARKETING FRANCE",
    "siren": "531680445",
    "siret": "53168044500024",
    "active": true,
    "address": "562 AVENUE DU PARC DE L'ILE 92000 NANTERRE",
    "employees": "1000-1999 employees"
  }
}