Sivut x402 Public Data APIs
Live Base USDC x402 endpoints for public SEC crypto filing radar, SEC filing markdown, public web-page extraction, and x402 seller intelligence.
- Base URL: https://pay.sivut.co
- Health: https://pay.sivut.co/health
- OpenAPI: https://pay.sivut.co/openapi.json
- Agent instructions: https://pay.sivut.co/llms.txt
- Discovery JSON: https://pay.sivut.co/.well-known/agent.json
- MCP discovery: https://pay.sivut.co/mcp
- Payment: x402, USDC on Base mainnet
- Payout address:
0x9d39802b6B65D360bFdA92c8221dB3EbA8cbF9D7
The origin is registered on x402scan and discoverable through AgentCash. AgentCash resolves the SEC buyer-pack endpoint as a paid x402 route with fixed 10.00 USD pricing settled in Base USDC.
Primary Paid Products
| Endpoint | Price | Purpose | | --- | ---: | --- | | GET /api/public-data/sec-crypto-filings/buyer-pack?limit=25 | $10.00 | Buyer-ready SEC crypto filing package with current filings, company/signal summaries, provenance, and suggested follow-up calls. | | GET /api/public-data/sec-crypto-filings/latest?limit=10 | $0.05 | Current public EDGAR filings filtered for crypto treasury, stablecoin, mining, blockchain, and digital-asset disclosure signals. | | GET /api/public-data/sec-crypto-filings/snapshot.csv?limit=25 | $1.00 | Spreadsheet-ready CSV snapshot with company, ticker, form, filing date, accession, signals, snippet, source URL, and source hash. | | GET /api/public-data/sec-crypto-filings/markdown?accession=... | $0.10 | LLM-ready markdown for one public SEC filing selected by accession number. | | GET /api/public-data/page-markdown?url=https://example.com | $0.003 | Convert one public HTTP(S) page into LLM-ready markdown, plain text, headings, and links. | | GET /api/public-data/x402-seller-score?domain=example.com | $0.03 | Score a public x402 seller by revenue proof, metadata quality, route reliability, and buyer breadth. | | GET /api/public-data/x402-seller-intel?limit=20 | $0.05 | Normalized public x402 directory data from active public sources. | | GET /api/contact-brief?url=https://example.com | $0.25 | Concise public contact brief from one public website. | | GET /api/opportunity-brief?url=https://example.com | $1.00 | Public opportunity brief with fit score and service angle. |
Free Validation
curl "https://pay.sivut.co/api/public-data/sec-crypto-filings/sample?limit=3"
curl "https://pay.sivut.co/openapi.json"
curl "https://pay.sivut.co/llms.txt"Paid Probe
curl -i "https://pay.sivut.co/api/public-data/sec-crypto-filings/buyer-pack?limit=25"Expected unpaid response: HTTP 402 Payment Required with Base USDC x402 payment requirements. x402-aware clients can pay and retry automatically.
MCP / Cline Install
The service also exposes a free Streamable HTTP MCP wrapper for discovery and sample calls. It returns a current SEC sample plus paid x402 URLs for the full feed, CSV snapshot, filing markdown, and buyer pack.
{
"mcpServers": {
"sivut-sec-crypto-filing-radar": {
"url": "https://pay.sivut.co/mcp"
}
}
}Smoke-tested on 2026-06-09 UTC:
curl -X POST "https://pay.sivut.co/mcp" \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","id":1,"method":"tools/list","params":{}}'The MCP tools are sec_crypto_filings_sample, sec_crypto_filings_paid_urls, and x402_paid_resources.
Data Boundaries
The service uses public data only. Public web fetch endpoints reject localhost, private network targets, credentialed URLs, and account-gated sources.
Current Status
Production endpoint is live at https://pay.sivut.co. Health checks return public operational metadata only.
