x402 Blockchain API

On-chain wallet analysis on Base: balances (ETH/USDC), recent transaction count, top interacted contracts, and an AI-generated risk score and summary. Pay-per-call via x402 (USDC on Base), no API key.

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.

Gas for AI agents: native ETH on Base delivered to any address, paid with a gasless x402 USDC payment (works from a wallet holding 0 ETH: the buyer only signs EIP-3009, the facilitator broadcasts). Price = ETH value at Chainlink spot +20% +$0.02. GET /v1/gas?to=0x..&eth=0.0002. Max $2/order, $10/day service-wide (beta). Bad input / over-capacity rejected before settlement; auto-refund in USDC if delivery fails.

Crypto data for AI agents, paid per call in USDC on Base or Solana: crypto news with a mood read, Hyperliquid perps, a market pulse, Chainlink price history, token prices and safety checks, a pre-trade check, wallet balances and portfolios, and transaction lookups on Base, Ethereum and Solana. Failed calls are free.

Utility endpoints from the Genesis402 / UnyKorn operator network: Bitcoin and EVM block lookups, mempool data, script types, EIP-712 hashing, HMAC, JSON canonicalization and CSV/JSON conversion.

Audits any Base EVM 0x contract or Solana SPL Mint for proxy patterns, GoPlus honeypot flags, and freeze authority.

Pay-per-call gateway fee endpoints labelled for token sends and report requests. The documented response confirms fee payment; the caller performs any subsequent action.

M2M legal-code gateway for Web3: Solidity security dry-run engine (9 breach scenarios, gas asymmetry ratio, ERC-4626 vault awareness), bilingual EN/ID legal-code contract generation, and structured data payloads. x402 payments in USDC on Polygon PoS.

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 mainnet JSON-RPC, pay per request in USDC over x402 or MPP. No account or API key. A batch of up to 15 calls counts as one request. Served from a validator operator's own hardware. Recent history only, no archive. Not available: getProgramAccounts, getSupply, getLargestAccounts, getTokenLargestAccounts.

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.

232 pay-per-call APIs for AI agents under English /v1/ routes: crypto, DeFi, markets, official statistics, compliance, web and developer tools. Pay via x402 on Base, Solana, Polygon, Optimism, Arc and XRPL; only successful calls are charged.

16 pay-per-call x402 services for AI agents: on-chain Merkle anchoring, wallet/address security screening, Web3 data resolution (tx & calldata decode, ENS name resolution), token pricing, content analysis, and verifiable randomness. No API keys or accounts. Settle per request on Base USDC, Solana USDC, or Polygon JPYC (1 yen / anchor)

Holoworld x402 mint endpoint on Solana. GET /api/mint mints the $FIGHT Pass for 50 USDC per request.

Look up bridges, create ownerless wrappers and bridge tokens between Arc and Base using Circle CTS and CCTP infrastructure. External wallets sign blockchain transactions; resumable jobs track preparation, delivery and finality.

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.

Chainlink for Agents: register an agent and submit operations from the Chainlink workflow catalog, paid per call.

Live Base mainnet gas: EIP-1559 base fee, priority tiers, cost estimates, history, comparison and cheapest-window suggestions.

Ethereum mainnet JSON-RPC on an independently operated full node. One call per payment, no account or API key. Serves eth_, net_ and web3_ methods. Blocks, transactions, receipts and logs from the Merge (block 15537394) onward; current state only, not an archive node. Raw transactions are broadcast through public relays rather than the node itself. Priced by how much work a method costs: $0.001 for chain metadata, $0.002 for lookups, $0.005 for EVM execution, up to $0.03 for wide eth_getLogs ranges. USDC on Base, Arbitrum or Polygon via the Coinbase CDP facilitator.

Parallel Solana risk advisor aggregator for AI agents. Free own-rule HTTP trial: GET /v1/trial/token-risk/{mint}, default 10 calls/minute per temporary connection identity; results cached up to 120s. No signup, API key or advisor payments in the trial. Optional paid HTTP panel queries independent advisors in parallel; paid MCP tools check tokens and unsigned transactions. Authorize quoted USDC payments via x402 on Base or Solana. No flags does not mean safe. Quickstart: https://getrugshield.com/docs

Machine-payable token intelligence APIs for AI agents and automated applications. Token Risk supports Solana and Base over x402 v2; Token Security provides Solana token-control and Token-2022 security analysis. $0.01 USDC per authorized request, with no subscription or API key required for paid calls.

Pay-per-call x402 APIs for AI agents: no account, no API key, the wallet is the identity. Crypto safety: rug pull and honeypot checks with a real buy/sell simulation on Base, Ethereum and BNB Smart Chain; rug check verdicts (avoid / caution / ok) with reasons; wallet and contract risk checks before you send, approve or call; token deployer reputation; Solana token checks (mint and freeze authority, Token-2022 traps); pre-sign transaction simulation that flags unlimited approvals; liquidity removal (rug pull) history per token; live Base feeds of new token launches, liquidity pulls and whale swaps. Web tools for agents: web scraping to clean text and markdown, page screenshots, link previews (Open Graph), robots.txt and llms.txt AI-crawler checks, HTTP security headers audit, SEO and GEO page audit, backlinks and keyword data. Market data: prediction market odds across Polymarket, Limitless and Manifold, best DeFi yields, quant calculators (Black-Scholes, implied volatility, Kelly, Sharpe, VaR). USDC on Base or Solana, exact-amount payments, settled only when the call succeeds. From $0.003 per call. Discovery via /openapi.json, /llms.txt and an MCP server.

Retire tokenized carbon credits on Base via Klima Protocol and the Carbonmark marketplace. Discover and quote live carbon supply, build or relay a USDC-paid retirement, and get the public Carbonmark certificate. GET /api/catalog ($0.001 USDC) returns the full endpoint directory plus a live snapshot of the most liquid carbon supply.

Pocket Network gateway: pay-per-call RPC access to many chains (Ethereum, Base, NEAR, Osmosis, Akash and others) plus web search, extraction and text analysis tools.