All projects matching “transaction”

badhttp /402/pay: a real x402 v2 paywall for testing clients. Pay 0.01 USDC on Base mainnet and get a 200 with a PAYMENT-RESPONSE receipt and the transaction hash. Nothing else is sold; sibling endpoints under /402 misbehave on purpose.

Teardrop crypto research agent over A2A: ask in plain language about token prices, DeFi yields and lending, wallet portfolios, approvals and counterparty risk, or onchain transactions; the agent plans and runs Teardrop's onchain data tools and returns a completed task. Pay per task with x402 USDC on Base.

Crypto wallet screening: OFAC SDN sanctions check (refreshed daily) and a 0-100 risk score, with balances, activity and transaction-graph checks for EVM wallets.

US overnight interest rates — latest SOFR and effective federal funds rate (EFFR), transaction volumes and policy target bounds. Compare secured and unsecured dollar funding costs and track monetary policy. x402Atlas is not affiliated with the New York Fed. The New York Fed does not sanction, endorse, or recommend any products or services offered by x402Atlas.

Ordered, ready-to-sign Aero allocate() transactions that spread an sAERO position over gauges on several chains (Base, Ethereum, OP, Arbitrum, Ink, Robinhood, Arc): the best split after each extra chain's ETH cost, or the percentages you give (?chains=5042:30,10:20). Plans from the position's state on every chain, with the ETH to attach, what each step waits for and a simulation of step 1. Never s

Try with $0.050 in free shared credit once per wallet. No deposit or on-chain transaction; wallet sign-in required. Credit, daily budget and availability apply. Analyze a selected Base token pool: USD liquidity, 24h volume, price change, rule-based observations and an AI summary with sources. For agent market reports, not contract-security checks or investment advice. Paid price: $0.015. Docs: htt

Before your agent trusts, cites, or transacts with a U.S. bank: verify it is actually FDIC-insured, for $0.01, against the FDIC's own BankFind Suite records, synced daily. Look up by institution name (fuzzy, word-order-tolerant, confidence-scored), FDIC certificate number, or website domain. Returns insurance status, charter class, HQ city/state, and the FDIC cert; renamed and failed/inactive inst

Verify a Base/BSC transaction receipt for a payout or claim: status, block, sender, gas, decoded ERC-20 Transfer logs and a sha256 evidence digest. 0.01 USDC via x402 on Base. POST only. Free sample: /samples

Pre-sign risk check: decodes a transaction, typed data or sign request and flags risky approvals, permits, blind signing and drainer patterns. Run by Joi, an AI agent.

Lightweight utility API for agents and operators: DNS lookups, RDAP/WHOIS domain data, HTTP probes, page metadata extraction, cryptographic hashing, JSON validation, scheduled webhooks, and exotic endpoints (Base transaction decode, ENS resolve, USGS earthquakes, cron next-run, TLS certificate report). No shell access; outbound URL tools enforce SSRF protections.

EVM wallet risk scoring — transaction patterns, exposure analysis, suspicious activity

Categorize crypto/bank transactions with optional invoice matching and label interpretation

Verify that a Base transaction paid what you expected. Give a tx hash; get status (success/reverted/pending), confirmations, from/to, ETH value, L2 fee and every ERC-20 Transfer decoded with symbol and decimals. Optional to, token and minAmount params return verified=true/false plus the matching transfer. Live data from Base RPC. Use it before delivering goods or crediting a deposit.

Agent Margin Router – Gas Fees: Live EIP-1559 gas fees (slow/standard/fast tiers) plus USD cost per transaction type (transfer, ERC-20 transfer, swap, NFT mint) for Base, Ethereum, Arbitrum, Optimism and Polygon. Aggregated from public RPC nodes – no API key. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet.

A deterministic Base chain identity and official USDC contract-presence check. No request body. Not a token-risk report, transaction simulation, or payment proof.

Transaction receipt status/block/confirmations on Base or Ethereum via eth_getTransactionReceipt. Validates 0x hash BEFORE settle.

Single buyer wallet's 8-label classification with confidence, all services used, and transaction patterns.

BICScan pre-transaction risk check: one paid call screens the counterparty address, the dApp URL/domain and the EVM token contract an agent is about to send to, sign on or approve, and returns an allow/warn/block verdict with reasons (sanctions/OFAC, phishing domains, scam tokens, BICScan risk intelligence). Addresses on EVM chains, Solana, Bitcoin, Tron, XRP and ICP; TON is not supported.

Verify a Base (mainnet, default) or Base Sepolia transaction is a successful, confirmed transfer of native Circle USDC (not a look-alike token) to an expected recipient for an exact or minimum amount. Checks receipt status, canonical block, confirmations, optional payer, notBefore/maxAge windows; returns verdict valid|invalid|pending|not_found with machine-readable reasons and the matched Transfer

Run before setting a priority fee. Gives the price in the exact unit Compute Budget expects (micro-lamports per compute unit) and the total cost in SOL, so a unit mix-up never overpays. Turns recent on-chain priority fees into three prices: cheap, normal and fast. Pass your transaction to get its compute limit and exact cost at each price.

Use before an AI agent pays a vendor or counterparty. Returns an action-oriented allow/review/block evidence preflight: legal-entity resolution, potential sanctions signals, RDAP domain evidence and company-domain consistency. x402 payment safety decision support only; not legal or transaction approval.

Read-only Solana financial-action firewall: decode and simulate an unsigned transaction, bind observed effects to declared intent and policy, and return a signed PASS/FAIL/REVIEW receipt

Spot FX: one ECB reference conversion, plain text. Conversion is calculated from the ECB reference rate (amount × rate). Indicative only. Not a trade quote, not for settlement. Informational only / not for transaction use. Source: ECB statistics. These reference rates are free at https://www.ecb.europa.eu (and via Frankfurter). Not sold or endorsed by the ECB.

On-chain snapshot for a Base address: contract vs EOA, transaction count, ETH balance, USDC balance, risk flags, and a simple recommendation (safe_to_pay | review | avoid). Use before your agent sends USDC to an unknown payTo wallet.

Refund for transaction 0x65303d58e65b9314004cdf0438c5664fe9054a16481bc2a78ae00bffeb7e0904

Get comprehensive x402 server security assessment with overall score (0-100), risk level, sub-scores (API health, webpage, social, onchain), and scam indicators. Ideal for pre-transaction safety validation. Price: $0.01 USDC

Get $X402LAND tokens via the base x420 protocol with zero gas fees.Note: 1 transaction = 1000 $X402LAND

Get $X402LAND tokens via the base x420 protocol with zero gas fees.Note: 1 transaction = 1000 $X402LAND

Use this before signing a transaction for a Solana program: who can change its code (single key, Squads multisig with threshold and time lock, DAO, or immutable), when it last changed, verified build, security.txt. Instant, per request.

Processed transactions that touch specified accounts or programs before finalization.