the402 endpoint detail

← All endpoints

opportunity-api-production.up.railway.app api market-brief

https://opportunity-api-production.up.railway.app/api/market-brief

answers 402

Premium one-call crypto market snapshot: Fear&Greed sentiment + top-5 trending tokens + top-5 stablecoin yields + top-5 scored earning opportunities. Replaces 4 separate calls.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.05
Network
base
Pay to
0x5be6C12339EAF5EB18db8012f54955a2250Bd3d9
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
334 ms
Payment options
1 usable of 1
Last checked
2026-08-15T14:37:49.260Z (4d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fopportunity-api-production.up.railway.app%2Fapi%2Fmarket-brief"