Parameters3
burn_after_readingbooleanexample:falsedefault:nullcontentstringexample:my-api-key-abc123default:nullpassphrasestringexample:correct-horse-battery-stapledefault:null
Service overview
Pay $0.02 USDC to store an encrypted secret (up to 100 KB). Encrypted with AES-256-GCM; key derived from passphrase via scrypt. The passphrase is never stored — only the ciphertext. Reveal with POST /secret/{token} and the correct passphrase. Network: Base Mainnet. Each request encrypts one secret for later reveal with the token and passphrase, making it useful for API key handoff, credential sharing, and agent-to-agent secret exchange.
API surface
2 crawlable routes
burn_after_readingbooleanfalsenullcontentstringmy-api-key-abc123nullpassphrasestringcorrect-horse-battery-staplenullcontentstringprint('hello world')nulllanguagestringpythonnullMarketplace context
Service
OATP · tx_explainer — Fetch a Solana transaction by signature and return a human-readable explanation: programs invoked, token balance changes, fee (SOL + USD), and a one-line summary.
Service
Exa /contents endpoint
Service
Decode and explain any EVM blockchain transaction across 11 chains (Base, Ethereum, Arbitrum, Optimism, Avalanche, Polygon, Mantle, Monad, Plasma, BSC, Hyperliquid). Get a human-readable summary of swaps, transfers, approvals, DeFi interactions, and more.