the402 endpoint detail

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api.craigmbrown.com services crypto.investment-plays

https://api.craigmbrown.com/v1/services/crypto.investment-plays

payable

Risk-scored investment plays with concrete entry/exit strategies, spanning DeFi yield positions to spot buys — each play carries a numeric risk score, not a qualitative label. Settlement proof: ProofOfSettledOutcome (kind 30120, data/proof_settled_outcomes.jsonl). Consumes crypto.market-analyzer + oracle.historical-analysis; the execution-plan layer above the data layer.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.05
Network
base
Pay to
0x5E709929A4AB69eC3a8811d03417869059BC4EB9
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
75 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:14:06.281Z (1d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.craigmbrown.com%2Fv1%2Fservices%2Fcrypto.investment-plays"