DocketLayer

# Probe — no account, no API key required
curl "https://api.docketlayer.ai/v2/case?court_code=nysd&case_id=1:23-cv-04567"
# → 402 Payment Required

# Build USDC payment and retry
curl "https://api.docketlayer.ai/v2/case?court_code=nysd&case_id=1:23-cv-04567" \
  -H "x402-payment: $(build_payment $WALLET_KEY)"
# → 200 OK

import httpx

# Probe — any wallet, no account needed
r = httpx.get("https://api.docketlayer.ai/v2/case",
              params={"court_code": "nysd", "case_id": "1:23-cv-04567"})
# → 402, payment terms in response headers

# Sign USDC transaction and retry
payment = build_payment_tx(wallet_keypair, r.headers)
r = httpx.get("https://api.docketlayer.ai/v2/case",
              params={"court_code": "nysd", "case_id": "1:23-cv-04567"},
              headers={"x402-payment": payment})

data = r.json()  # same schema — every court

// Probe — no account, no API key required
const probe = await fetch(
  "https://api.docketlayer.ai/v2/case?court_code=nysd&case_id=1:23-cv-04567"
);
// → 402, payment terms in response headers

// Sign USDC transaction and retry
const payment = await buildPaymentTx(walletKeypair, probe.headers);

const r = await fetch(
  "https://api.docketlayer.ai/v2/case?court_code=nysd&case_id=1:23-cv-04567",
  { headers: { "x402-payment": payment } }
);
const data = await r.json(); // same schema — every court