ON-CHAIN COUNTERPARTY PROOF: Audit USDC transfers sent and received by any EVM address over the last ~48h of Base blocks. Preflighted so you never pay during an RPC outage.
Last updated 12h ago
Overview Protocol x402
Facilitator —
Payment asset USD Coin
Network base
Category onchain-data
Source bazaar
Health Status Operational
Uptime (window) 100%
Success rate —
Confidence 100%
Quotes (14d) 17
Last checked 10/14/2026, 6:34:22 PM
Wallets On-chain payment destinations for this service, with each wallet’s current USDC balance. Click an address to view it on the block explorer.
Latest x402 transactions On-chain USDC settlements received on Base · 0xc59c85e661d34084a7769f955d17fd38254a6235
Trust score is global for the provider. Latency, price and uptime are measured per endpoint (last 24h). Click a column to sort.
Sort Uptime▼ Latency↕ Price↕
▸ POST /v1/tools/iban_check/callN/A
code402 iban-check $0.005 · 511 ms · Base ▸ POST /v1/tools/batch-validate/callN/A
Run up to 50 supported {tool, value} checks in one request. Each result states its scope. Compare the current batch quote with individual quotes; savings depend on batch size. $0.05 · — · Base ▸ POST /v1/tools/india-supplier-check/callN/A
One call, one receipt: GSTIN + PAN + UPI VPA + IFSC for an Indian counterparty. Four deterministic structural checks, each stating its own scope. Built for cross-border procurement where the buyer is an agent that cannot open an INR account. $0.02 · — · Base ▸ POST /v1/tools/settlement-history-check/callN/A
ON-CHAIN COUNTERPARTY PROOF: Audit USDC transfers sent and received by any EVM address over the last ~48h of Base blocks. Preflighted so you never pay during an RPC outage. $0.02 · — · Base ▸ POST /v1/tools/token-contract-risk/callN/A
Deterministic Base contract facts: ERC-20 metadata, proxy slots, owner(), privileged-function selectors and flags. Not a safety verdict. Result carries a signed receipt. $0.02 · — · Base ▸ POST /v1/tools/vendor-onboarding-pack/callN/A
Check supplied IBAN, LEI, Belgian VAT and UK company-number fields in one result. Structural checks only; no ownership, registry or fraud clearance. $0.02 · — · Base ▸ POST /v1/tools/clean-markdown-scraper/callN/A
Fetch a public web page by URL (or take your HTML) and return Markdown plus headings. No JavaScript rendering. Result carries a signed receipt. $0.015 · — · Base ▸ POST /v1/tools/block-info/callN/A
Base block header: number, timestamp, transaction count and base fee for the latest or a given block. Result carries a signed receipt. $0.01 · — · Base ▸ POST /v1/tools/fx-spot-price-oracle/callN/A
Reference fiat and stablecoin conversion rate from a static table, not a live feed. Returns rate and inverse; result carries a signed receipt. $0.01 · — · Base ▸ POST /v1/tools/balance-check/callN/A
Native ETH and one ERC-20 balance (default USDC) for an address on Base, raw and formatted. Result carries a signed receipt. $0.005 · — · Base ▸ POST /v1/tools/calculate-fx-savings/callN/A
Arithmetic comparison of a USDC settlement against comparator percentages YOU supply (bank_fee_pct, custodial_fee_pct) across 14 global fiat currencies. The comparators are assumptions, not measurements of any bank or provider; no protocol fee is deducted on this rail. $0.005 · — · Base ▸ POST /v1/tools/context-distill/callN/A
Deterministic text digest: word count, top-5 most frequent meaningful words (stop words excluded), first sentence, and a keccak-256 content hash. Pure function — no external calls, no ML. $0.005 · — · Base ▸ POST /v1/tools/erc20-balance/callN/A
Raw and formatted ERC-20 balanceOf for an address on Base, with decimals read from the token. Result carries a signed receipt. $0.005 · — · Base ▸ POST /v1/tools/gstin-check/callN/A
Validate an Indian GSTIN by structure (2-digit state code + PAN + entity code + 'Z') and its mod-36 cross-sum checksum. $0.005 · — · Base ▸ POST /v1/tools/ifsc-check/callN/A
Check the 11-character Indian IFSC format, including its fifth-character zero. No bank-branch registry lookup or account verification. $0.005 · — · Base ▸ POST /v1/tools/instant-json-schema-verifier/callN/A
Validate JSON data payloads against schema definitions. Preflighted for agent tool call pipelines. $0.005 · — · Base ▸ POST /v1/tools/isbn-check/callN/A
Validate an ISBN-10 (mod-11) or ISBN-13 (1,3-weight mod-10) checksum. $0.005 · — · Base ▸ POST /v1/tools/luhn-check/callN/A
Validate any 12-19 digit number by the Luhn mod-10 algorithm. Never submit real payment card numbers. Returns signed XDR-1 receipt. $0.005 · — · Base ▸ POST /v1/tools/tx-activity/callN/A
Outbound transaction count (nonce) and contract-or-EOA check for an address on Base. Result carries a signed receipt. $0.005 · — · Base Same category, ranked by Trust score — switch to a more reliable or cheaper source.
