Autonomo Radar Fiscal API

https://fiscal-autonomos-api.eustaquio-fiscal.workers.dev/

● down finance

Spanish freelancer tax-deadline and reserve calculator API on Base. Two pay-per-call endpoints: next VAT/income-tax filing deadline plus recommended monthly reserve (POST /v1/fiscal/reserva-trimestral), and estimated late-filing surcharge under Spanish tax law (POST /v1/fiscal/riesgo-recargo). Free endpoints: /health, /v1/fiscal/calendario, /.well-known/x402. No API keys.

Quality grade

How grading works

D 18.7 / 100 capped at D while down

Availability 0.0 / 40

Endpoint did not respond

Payability 18.7 / 20

✓ Answers a real HTTP 402 challenge
✓ Publishes a /.well-known/x402 descriptor
✓ Payment address on record
✓ Settlement network declared
✗ Price declared

Demand 0.0 / 40

0 distinct payers, 0 USDC transfers in the last 30 days

Owner verified 0.0 / 3

Nobody has claimed this listing yet

Endpoint last checked 10 h ago. On-chain activity last read 11 d ago. Availability and on-chain demand are both re-probed daily; the grade updates automatically on the next pass.

Paid endpoints

2 resource(s) advertised by this origin.

POST https://fiscal-autonomos-api.eustaquio-fiscal.workers.dev/v1/fiscal/reserva-trimestral

Proxima fecha limite y reserva recomendada de IVA e IRPF trimestral.

POST https://fiscal-autonomos-api.eustaquio-fiscal.workers.dev/v1/fiscal/riesgo-recargo

Recargo estimado por presentacion extemporanea de IVA/IRPF.

How to call

cURL · x402-fetch / x402-axios will auto-handle 402

curl -X POST https://fiscal-autonomos-api.eustaquio-fiscal.workers.dev/v1/fiscal/reserva-trimestral

/.well-known/x402.json

https://fiscal-autonomos-api.eustaquio-fiscal.workers.dev/.well-known/x402

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