the402 endpoint detail

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x402-services-production.up.railway.app sol graduating

https://x402-services-production.up.railway.app/api/sol/graduating

no charge

Solana pump.fun coins closest to graduating to Raydium: bonding-curve coins ranked by SOL raised, with approximate bonding progress %, market cap, age, and socials. Send { limit? }. Graduation migrates liquidity to Raydium and often spikes volatility — the classic snipe trigger.

Bazaar lists this endpoint, but when we called it we got HTTP 200 instead of a payment challenge.
Price
5000 atomic
Network
not established
Pay to
-
Spec dialect
-
Transport
-
HTTP method
POST
Response latency
677 ms
Payment options
0 usable of 0
Last checked
2026-08-15T14:41:07.134Z (8d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402-services-production.up.railway.app%2Fapi%2Fsol%2Fgraduating"