# x402-farm French TVA/SIREN Lookup

> x402-farm French TVA/SIREN Lookup is a paid API for AI agents from x402-farm.vercel.app, paid per call via x402, $0.005/call, status down (last checked 2026-09-15).

Returns the French TVA (VAT) number and SIREN identifier for a French business via a pay-per-call API using the x402 protocol.

## Facts

- Endpoint: GET https://x402-farm.vercel.app/v1/fr/tva
- Price: $0.005/call
- Payment: x402
- Status: down
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-farm-french-tva-siren-lookup-bdfa08a5
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_qiRafwutx99gxXX3a_hd8

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability x402-farm-french-tva-siren-lookup-bdfa08a5
```

Example prompt: Can you look up the French TVA and SIREN numbers for a French company? I need the fiscal identifiers for the business registered under SIREN 306138900.

## When to prefer this

Choose this endpoint when you need to programmatically retrieve French business tax identifiers (TVA/SIREN) without setting up an account, paying via USDC micropayment on Base via the x402 protocol. Ideal for AI agents performing ad-hoc French business lookups or compliance checks at low cost.

## Known failure modes

- Invalid or non-existent SIREN returns an error or empty result
- Network timeout or service unavailability returns an HTTP error
- Payment failure via x402 protocol prevents the call from completing
- Malformed query parameters result in a 400 bad request

## How this service works

Pay-per-call APIs for AI agents — x402 protocol, USDC on Base, no account needed.

## Output

A JSON object containing the French TVA (VAT) number in the format 'FRxxxxxxxxxxxx' and the corresponding SIREN company registration number as a string, e.g. {"tva": "FR51306138900", "siren": "306138900"}.

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "tva": "FR51306138900",
  "siren": "306138900"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-farm-french-tva-siren-lookup-bdfa08a5/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402-farm.vercel.app](https://www.zero.xyz/host/x402-farm.vercel.app/llms.txt)