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Signal Desk by LarryBuildsAI

https://proofbeforepay.vercel.app
● healthy data

Low-cost agent spend-routing preflights, public lead briefs, DeFi token-risk snapshots, and market-tool comparisons before larger paid API or MCP tool chains.

Category
data
Chains
solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp
Price
—

Quality grade

How grading works
C+ 58.7 / 100
Availability 40.0 / 40
Endpoint responded (HTTP 200)
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
Payment address on record, not yet queried on-chain
Owner verified 0.0 / 3
Nobody has claimed this listing yet
Endpoint last checked 7 h ago. Availability and on-chain demand are both re-probed daily; the grade updates automatically on the next pass.

Paid endpoints

5 resource(s) advertised by this origin.

GET https://proofbeforepay.vercel.app/v1/x402/scan

Scan a target URL for /.well-known/x402, /openapi.json, resource counts, pricing, listing staleness, and next-step issues.

POST https://proofbeforepay.vercel.app/v1/x402/health/probe

Probe a paid endpoint without payment, parse its x402 402 challenge, compare expected network/asset/price, and return a health receipt.

POST https://proofbeforepay.vercel.app/v1/x402/agent-tools/readiness

GateCheck readiness v1: quick/deep/report readiness checks that compose x402 scans, agent discovery checks (/llms.txt, /agents.txt, /.well-known/mcp.json, /mcp), optional unpaid paid-path probes, and metadata/report guidance.

POST https://proofbeforepay.vercel.app/v1/x402/launch-pack

x402 Launch Pack Generator v0: listing copy, buyer FAQ, launch checklist, approval packet, and marketplace-safe claim boundaries for x402/MCP sellers.

POST https://proofbeforepay.vercel.app/v1/receipts/check

Return a Boundary Guard-style receipt for submitted request metadata, policy decision, hashes, result summary, and next-step guidance.

How to call

cURL · x402-fetch / x402-axios will auto-handle 402
curl -X GET https://proofbeforepay.vercel.app/v1/x402/scan
/.well-known/x402.json
https://proofbeforepay.vercel.app/.well-known/x402

Listed in

Directories this entry was found in.

pay-skills-pr