{"name":"onyx_solana_tx_explainer","tier":"metered","price_usdc":"0.05","endpoint":"https://onyx-actions.onrender.com/v1/onyx_solana_tx_explainer","method":"POST","input_schema":{"type":"object","properties":{"signature":{"type":"string","description":"base58-encoded Solana tx signature (~88 chars)"}},"required":["signature"]},"description":"Decode a Solana mainnet transaction into a human-readable summary. Returns a one-line plain-English description (SPL transfers, swaps, stake ops, NFT moves), parsed token-balance pre/post per account, SOL-balance deltas, programs invoked, compute units used, and fee. Use when a trading agent needs to verify a Solana tx actually did what it claims, or when a wallet agent needs to explain an action to its user. Direct equivalent of OATP's $0.10 service (1,350+ unique paying agents) at half the price, no API key, x402-native.","when_to_use":"Use when a Solana trading agent needs to verify what a tx actually did — confirm a Jupiter swap landed at the expected price, audit a pump.fun buy, explain a stake-account interaction. Pre-trade safety check or post-trade verification on Solana.","vs_alternatives":"OATP charges $0.10 for the exact same primitive on Solana with 1,350+ unique paying agents — Onyx is the second x402-paid Solana tx_explainer at HALF the price. Helius/QuickNode require API keys + paid tiers. Solscan is free but rate-limited and returns HTML.","example_request":{"signature":"5j7s4...xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"},"example_response":{"summary":"DEX swap touching 3 program(s), 4 token-balance update(s).","status":"success","fee_sol":5e-06,"compute_units":142000,"instruction_count":7,"programs":["JUP6Lk...","TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA"],"elapsed_ms":320},"settle_to":"0x4326acB1A35e6B744BaAeA850c702Ca71dF86Cd5","network":"base-sepolia","facilitator":"https://x402.org/facilitator","payment_required":true,"free_introspection":true,"note":"GET this URL = free introspection card. POST with x402 payment header to call."}