# temka-x402-prod — paid API for AI agents (x402, USDC on Base)

Deterministic micro-tools. Pay per call with x402 (HTTP 402, exact scheme).

## Endpoints
- GET /tools/hash?algo=<sha256|sha512|sha1|md5|base64enc|base64dec|jwt-decode|hmac-sha256>&v=<value>[&key=<k>] — hashing/encoding/JWT decode, $0.003
- GET /data/fx-rates[?date=YYYY-MM-DD][&crypto=btc,eth] — CBR RF daily FX rates (+optional crypto via CoinGecko), $0.01
- POST /tools/extract {"text": "..."} — extract emails / RU phones / prices / urls / dates from text, $0.005
- GET /tools/email-check?v=<email> — deliverability/typos/disposable: MX, SPF, DMARC, role-address, closest known domain correction, $0.002
- GET /tools/domain-check?d=<domain> — vendor safety pre-check: RDAP age/expiry/registrar/status, DNS (A/AAAA/NS/MX/TXT), SPF, DMARC, live HTTPS + TLS cert days left, trust_score 0-100, $0.005
- GET /health — free

## Payment
x402 v2, scheme=exact, network=eip155:8453 (Base), asset=USDC, pay-per-call, no accounts.