Call SolProbe services with USDC on Base or Solana. No API key, no account, no subscription. Any agent, any wallet — send a POST, get structured JSON.
402 Payment Required whose accepts[] array offers the same price on two rails — USDC on Base (eip155:8453) or Solana (solana:5eykt4…). Pick either.TransferWithAuthorization for the exact USDC amount on Base. Gasless — the facilitator pays gas. No ETH needed in your wallet. No on-chain tx from you.X-Payment: <base64 payload>. The x402 facilitator settles the USDC transfer on Base, your request runs, structured JSON returned.# Step 1 — discover payment terms curl -X POST https://api.solprobe.xyz/scan/quick \ -H "Content-Type: application/json" \ -d '{"token_address":"DezXAZ8z7PnrnRJjz3wXBoRgixCa6xjnB7YaB1pPB263"}' # ← 402 Payment Required — pick either accepts[] entry (same price) # { # "x402Version": 1, # "accepts": [ # { "scheme": "exact", "network": "eip155:8453", # USDC on Base # "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", # "maxAmountRequired": "20000", # 0.02 USDC (6dp) # "payTo": "0x8D2460E139a8BE2fdB72a44a52bc494F7326adfC" }, # { "scheme": "exact", "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp", # USDC on Solana # "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v", # "maxAmountRequired": "20000", # 0.02 USDC (6dp) # "payTo": "<SolProbe Solana wallet>" } # ] # } # Step 2 — sign EIP-3009 TransferWithAuthorization, base64 the payload, # re-POST with X-Payment header curl -X POST https://api.solprobe.xyz/scan/quick \ -H "Content-Type: application/json" \ -H 'X-Payment: eyJ4NDAyVmVyc2lvbiI6MSwic2NoZW1lIjoiZXhhY3QiLi4ufQ==' \ -d '{"token_address":"DezXAZ8z7PnrnRJjz3wXBoRgixCa6xjnB7YaB1pPB263"}' # ← 200 OK · X-Payment-Response: <base64 settlement receipt> { "schema_version": "2.0", "structural_risk_grade": "A", "mint_authority_revoked": true, "freeze_authority_revoked": true, "top_10_holder_pct": 18.4, "liquidity_usd": 2841000, "data_quality": "FULL", "data_confidence": "HIGH" }
0x8D2460E139a8BE2fdB72a44a52bc494F7326adfC (gasless EIP-3009 permit). Solana: you sign an SPL USDC transfer to SolProbe's Solana wallet; the facilitator pays the network fee. Verify the address in the protocol manifest before approving.