Agent directory

18 x402-paid services for AI agents — pay-per-call USDC on Base or Solana mainnet. On-chain anchoring and attestation, wallet screening, Web3 data, x402 spend accounting, content analysis, and verifiable randomness. No API keys, no accounts…

Crypto due diligence API. Token, wallet, contract and DeFi yield reports combining security checks, market data and an AI risk score from 0 to 100 with red and green flags. Full report $0.50, lite variant without AI prose $0.02, in USDC on …

x402 pay-per-use KYA, KYT, and KYE crypto compliance API for AI agents. Provides address risk reports, transaction risk screening, entity due diligence, compliance risk screening, and auditable report outputs via USDC payments on Base. No L…

Resolves Ethereum addresses to entity labels, name tags and categories from a database of about 412,000 labeled addresses, and returns large ETH transfers with labeled counterparties. Paid per call in USDC on Base.

DeFi data and token security API. Endpoints cover token and address risk checks, phishing and approval lookups, bridge routes and quotes, plus chain level stablecoin supply, DEX volume and protocol fees. JSON over GET, $0.01 per call in USD…

Pre-interaction risk signals for any EVM contract/token address. USDC on Base via x402.

Solana on-chain intelligence sold per call in USDC over x402. decode: turn any transaction (by signature or raw base64) into human-readable instructions, accounts and program names across 46 known mainnet programs. simulate: dry-run a trans…

Pay-per-call anomaly and signal API: sequence anomaly scoring on chain event windows, mempool and whale monitoring, stablecoin depeg checks, plus aviation and GitHub signal endpoints. USDC on Base, from $0.01 per call, no signup.

Paid API that checks a deployed contract address on Ethereum, Base, BSC, Arbitrum or Polygon and returns source verification status, proxy type, owner address, compiler version and risk flags. $0.05 per call via x402.

Takes an Aerodrome or Uniswap v2 compatible pool address on Base and returns per token risk scores, honeypot status, risk flags and a safe, caution or avoid verdict for the pair.

Risk scoring for EVM wallet addresses: transaction history, DeFi exposure and behavioral flags, returned as a numeric score via a single paid endpoint.

An MCP marketplace where AI agents discover and pay each other per call in USDC over x402 — settlement goes DIRECTLY to the seller, non-custodial, no API keys and no signup. Sellers publish an MCP server and are paid per call — 0% commissio…

Tx Intent Classifier: decodes the REAL intent of an on-chain transaction (Base/Ethereum) and returns an Ed25519-signed risk verdict (safe/review/suspicious/dangerous). Catches unlimited approvals, opaque selectors, value-to-contract, revert…

Solana on-chain analysis API: token safety scoring, holder breakdowns, wallet funding-network graphs, social research, trending feed and watchlist. Paid per call in USDC on Solana via x402.

Solana pre-trade token intelligence APIs for AI agents and automated applications, providing token risk scoring and authority/Token-2022 security analysis through x402 USDC micropayments.

ERC-20 token due diligence — risk score, honeypot detection, liquidity, holder concentration

On-chain intelligence — whale transfers trending tokens DeFi TVL on Base and Ethereum

Token safety & rug-pull/honeypot risk check — scans an ERC-20's bytecode & ownership on Base/Ethereum for mint, blacklist, pause, fee traps Pay-per-call USDC on Base via x402; free agent-readable help doc at the base path.

Machine-payable Solana transaction intelligence for autonomous agents: live priority-fee quantiles, transaction simulation, confirmed-transaction diagnostics, and token mint risk analysis. Every response is deterministic structured JSON, pa…

Paid API for onchain loyalty programs on Base: loyalty token deployment, minting to customer wallets, rewards catalog, vouchers and P2P exchange, usable by agents over REST or MCP.

RPC API for Ethereum mainnet and Sepolia, with 25 pay-per-call endpoints (blocks, balances, transactions, receipts, event logs, ENS, contracts, NFTs) payable in USDC on Base via x402, with no API key.

ENS forward/reverse resolution: name->address and address->name. Deterministic, Ed25519-signed. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure. $0.002 USDC via x402 on Base. SYNTHORA.

Live gas price and MEV oracle across chains: base/priority fees, congestion and MEV signal. For agents timing transactions. Ed25519-signed. $0.003 USDC per call via x402 (CDP facilitator) on Base. POST JSON to https://gasoracle.hergertsynth…

Returns chain metadata for five EVM chains (Ethereum, Base, Polygon, Arbitrum, Optimism): chain ID, latest block, gas price and finality, read from public RPC endpoints and returned with an Ed25519 signed receipt. Three free calls per walle…

Checks a Base transaction hash for MEV exposure. Identifies whether it is a DEX swap and scans neighbouring transactions in the same block for sandwich, frontrunning or backrunning patterns, returning one of no_swap, swap_exposed, frontrun_…

Checks an EVM contract for EIP-1967 style proxy slots and returns implementation, admin and beacon addresses when present. Responses are Ed25519 signed. Legacy or non standard proxy slots are not resolved. 3 free calls per wallet via the X-…

Returns an EVM transaction receipt (status, gas used, block number, log count) for a given transaction hash via eth_getTransactionReceipt, with an Ed25519 signature over the response. First 3 calls per wallet are free using an X-WALLET head…

Returns the native coin balance of an EVM address (wei and decimal) via eth_getBalance on Base, Ethereum and other chains, with an Ed25519 signed response receipt. 0.001 USDC per call over x402 on Base; first 3 calls per wallet are free wit…

Returns live Base mainnet chain metrics (latest block number, base fee per gas, gas used) sourced from a public Base RPC. Priced at 0.001 USDC per call via x402 on Base, with the first 3 calls free per wallet using an X-WALLET header.

Returns the ERC-20 token balance of a holder address by calling balanceOf on Base and other EVM chains, with raw and decimal-adjusted values, token symbol and the RPC endpoint used. Responses carry an Ed25519 signed receipt. Three free call…

Returns the full details of an EVM transaction given its hash, across Base, Ethereum, Polygon, Arbitrum and Optimism. Responses include an Ed25519 signed receipt and the upstream RPC endpoint used. The first 3 calls per wallet are free via …

Checks whether an EVM address is a contract using eth_getCode, reporting code size and EIP-7702 delegation status in an Ed25519 signed JSON response. Three free calls per wallet are available via the X-WALLET header.

Returns contract metadata for an EVM address (name, symbol, decimals, is-contract, is-erc20) via on-chain RPC, with Ed25519-signed responses. First 3 calls free per wallet via the X-WALLET header, then paid in USDC via x402 on Base.