Inscribed ledger · x402orcle · Base USDC

x402 Oracle

402 is the answer. The Oracle is how you ask.

Humans get calm prose and a copy-paste prompt. Agents get compact JSON, a receipt, and an implementation prompt they can hand to their builder. The Oracle never asks for private keys. Seller hosts take a receive address only.

oracle_healthfree/api/health
oracle_pricingfree/api/pricing
oracle_ask$0.1/api/consult/oracle_ask
oracle_diagnose_402$0.5/api/consult/oracle_diagnose_402
oracle_review_mcp$3/api/consult/oracle_review_mcp
oracle_bazaar_rewrite$1.5/api/consult/oracle_bazaar_rewrite
complete_oracle_task$10/api/consult/complete_oracle_task

First successful paid consult (demo mint, then 402 envelope):

curl -s https://x402orcle.vercel.app/v1/demo/mint-payment -H 'content-type: application/json' -d '{"tool":"oracle_ask"}'
curl -s -X POST https://x402orcle.vercel.app/api/consult/oracle_ask \
  -H 'content-type: application/json' \
  -H "PAYMENT-SIGNATURE: $SIG" \
  -d '{"question":"Why is my Bazaar listing unranked after 402s?"}'

Machine surfaces: /.well-known/x402 · /llms.txt · agent-card · /mcp