FRESH OBSERVED ENDPOINT EVIDENCE · DATASET REVISION 320952

Pub/sub: fetch messages on a topic newer than a sequence number. Send { topic, token, since? }.

Endpoint
https://x402-services-production.up.railway.app/api/pubsub/poll

Category crypto_onchain

Capabilities pub sub fetch messages

Routable now yes

Observed price $0.003

Craft score 85.9

Last probe 2026-07-29T01:36:15.112Z