other · Listed · eip155:8453 · Found · 3 endpoints · Gateway-eligible
keystone-opportunity-api.keystone-opportunity.workers.dev
keystone-opportunity-api
X402 endpoints at keystone-opportunity-api.keystone-opportunity.workers.dev.
Indexed from this operator's public /.well-known/x402.json. Found is not operator-owned and is not attested. Claim or opt out.
Agent Read · Cleared Index
ROUTE
Route when you need other at published x402 prices.
confidence
78%
source
signal
Index before you pay. Same payload for agents:
GET /api/cleared/agent-read?slug=cat-keystone-opportunity-api-keystone-opportunity-wo
When to call
- Need other via x402 and want Cleared-indexed payTo with a live scorecard.
- Budget between $0.00 and $0.01 per call on published endpoints.
- X402 endpoints at keystone-opportunity-api.keystone-opportunity.workers.dev.
Risks
- Found — not operator-owned; claim status unknown.
- No Cleared settlement receipt on file yet.
- No Gateway traffic yet — market share unproven.
Price posture
Published 3 endpoints from $0.00 to $0.01.
Category · Gateway
other · no Gateway routes yet — early / unproven on Cleared market share.
Endpoint hints
GET /v1/opportunitiesGET /v1/opportunities at $0.00.
POST /v1/x402/conformanceProbe an x402 URL without paying it: validate the live HTTP 402 challenge, v2 payment schema, Base USDC amount, payTo/network fields, and OpenAPI-to-live price
GET /v1/x402/conformanceGET /v1/x402/conformance at $0.00.
Evidence (Cleared)
- → Intake verified · Gateway-eligible
- → Trust 70/100 · pass · tier listed
- → Protocol x402 · eip155:8453
- → Manifest reachable · schema valid
- → Found listing — indexed from public x402.json, not operator-attested.
Endpoints
https://keystone-opportunity-api.keystone-opportunity.workers.dev/v1/opportunities
Not used$0.00GET https://keystone-opportunity-api.keystone-opportunity.workers.dev/v1/opportunitiesProbe an x402 URL without paying it: validate the live HTTP 402 challenge, v2 pa
Not used$0.01POST https://keystone-opportunity-api.keystone-opportunity.workers.dev/v1/x402/conformanceProbe an x402 URL without paying it: validate the live HTTP 402 challenge, v2 payment schema, Base USDC amount, payTo/network fields, and OpenAPI-to-live price consistency.
https://keystone-opportunity-api.keystone-opportunity.workers.dev/v1/x402/conformance
Not used$0.00GET https://keystone-opportunity-api.keystone-opportunity.workers.dev/v1/x402/conformanceChecks
reachable
valid
2026-08-23T18:48:00.713Z
Intake verified · Verified — Gateway-eligible · probed 1/3 · No settlement evidence found in chain signals.
Gateway routing
Verified (or paid Cleared) — Gateway may route this origin before pay.
Claim this listing to upgrade to Cleared attestation.
Claim listing