1 of 3 routes returned a live 4021 CURATED ROUTEkeystone-opportunity-api.keystone-opportunity.workers.dev
keystone-opportunity-api
Probe 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.
3
resources
2
data sources
1
network identifiers
5
registry calls / 30d
RESOURCE SAMPLE · 3 OF 3
search all →GET
https://keystone-opportunity-api.keystone-opportunity.workers.dev/v1/opportunities
https://keystone-opportunity-api.keystone-opportunity.workers.dev/v1/opportunities
402 quote
POST
Keystone Opportunity API: POST /v1/x402/conformance
https://keystone-opportunity-api.keystone-opportunity.workers.dev/v1/x402/conformance
origin reachable
GET
https://keystone-opportunity-api.keystone-opportunity.workers.dev/v1/x402/conformance
https://keystone-opportunity-api.keystone-opportunity.workers.dev/v1/x402/conformance
no live 402 · origin reachable