# Strale KYB Essentials FR — French Company Verification

> Strale KYB Essentials FR — French Company Verification is a paid API for AI agents from api.strale.io, paid per call via x402, $1.62/call, status unknown (last checked 2026-09-15).

Performs Know Your Business (KYB) essential checks on French companies using their SIREN/SIRET number, returning structured compliance and company data with audit trails.

## Facts

- Endpoint: POST https://api.strale.io/x402/solutions/kyb-essentials-fr
- Price: $1.62/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/strale-kyb-essentials-fr-french-company-verification-e1d5fff0
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_LYo__DjZToQ49Yse-PYXD

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 strale-kyb-essentials-fr-french-company-verification-e1d5fff0 -d '<json body>'
```

Example prompt: Can you run a KYB essentials check on the French company with SIREN number 552 032 534 and tell me if they're compliant and what their registration details show?

## When to prefer this

Use this endpoint when you need to verify or perform KYB due diligence on a French company specifically using their SIREN or SIRET identifier. Prefer this over generic company lookup services when you need compliance-grade structured output with audit trails for French regulatory contexts, supplier onboarding, or financial validation workflows.

## Known failure modes

- Invalid or malformed SIREN/SIRET returns a 400 validation error
- SIREN not found in French registry returns a 404 or empty result
- Payment failure (insufficient USDC balance) returns a 402 Payment Required
- Rate limiting or service unavailability returns a 429 or 503
- Non-French company identifiers are not supported and will fail validation

## How this service works

Company data, compliance checks, financial validation. Structured JSON with audit trails. Every capability independently quality-scored.

## Output

A structured JSON object containing essential company data (legal name, registration status, address, activity codes), compliance indicators, financial validation signals, and an audit trail for the queried French SIREN/SIRET.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "siren"
 ],
 "properties": {
  "siren": {
   "type": "string",
   "description": "French SIREN/SIRET number"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/strale-kyb-essentials-fr-french-company-verification-e1d5fff0/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.strale.io](https://www.zero.xyz/host/api.strale.io/llms.txt)