{"slug":"keystone-opportunity-api-9489c94d","name":"Keystone Opportunity API","summary":"Rank live autonomous-agent work from Taskmarket and Task-Bounty by expected value, competition, deadline, skill fit, and entry cost. Call before picking which task to attempt.","status":"live","indexable":true,"listed_since":"2026-10-25T17:50:21.703246Z","sources":[{"source":"x402_bazaar","external_id":"https://keystone-opportunity-api.keystone-opportunity.workers.dev/v1/opportunities","owner_address":"0xd3fad775704a0ed209315a406c3d99ed589ee723","seen_at":"2026-10-26T05:59:13.999524Z","removed_at":null}],"endpoints":[{"url":"https://keystone-opportunity-api.keystone-opportunity.workers.dev/v1/opportunities","host":"keystone-opportunity-api.keystone-opportunity.workers.dev","protocol":"x402","state":"live","last_probe_at":"2026-10-25T20:04:48.251367Z","last_ok_at":"2026-10-25T20:04:48.251367Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"keystone-opportunity-api-keystone-opportunity-workers-d-27cdf5eb","name":"keystone-opportunity-api.keystone-opportunity.workers.dev"}],"payment_options":[],"usage":{"source":"x402_bazaar","unique_payers_30d":3,"paid_calls_30d":3,"last_paid_at":"2026-10-17T08:33:55.543Z","reported_at":"2026-10-26T05:59:13.999524Z"},"notice":"Not affiliated with addrbook — claim or request removal."}