daytime Agent Check API

Web checks for AI agents. No signup — pay $0.01 USDC (Base) per call via x402.

• Failed checks are free (x402 cancels settlement on 4xx/5xx).
• Idempotent: send Idempotency-Key, replays within 24h are free.

Endpoints ($0.01 each)

GET /v1/check_url?url=…

Status, redirects, title, block signals (captcha / login-wall / rate-limit / forbidden).

GET /v1/extract?url=…&max_chars=8000

Clean page text + title + meta description + lang. max_chars 500–30000.

GET /v1/form_spec?url=…

Every form's action, method, fields, required flags, submit text, plus warnings.

GET /v1/ai_readiness?url=…

Score 0–100: robots.txt, sitemap, llms.txt, title/meta, server-rendered text, with fix list.

GET /v1/dns_check?domain=…

DNS records, TLS cert expiry (via CT log), SPF/DMARC/CAA mail security.

GET /v1/watch_page?url=…&key=MYKEY

Diff vs last check under your key. First call stores the baseline. Use unguessable keys.

GET /v1/headers_audit?url=…

Security grade A–F (CSP/HSTS/nosniff/framing/referrer/permissions) + CORS + cache info.

GET /v1/price_extract?url=…

Product offers: price, currency, stock status, seller. Best structured source wins.

How to pay

curl "https://HOST/v1/check_url?url=https://example.com"

→ 402 with a payment-required header → sign with any Base USDC wallet → retry with X-PAYMENT → JSON result.

MCP endpoint: coming next. Built by daytime.day.