agent402.tools
Base, Arbitrum, Avalanche, Celo, Monad, Optimism, Polygon, Sei · payout 0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0
Answers HTTP 402
0 of 8 probed endpoints answered HTTP 402 with a parseable payment payload
checked 2026-09-19
Method: one unpaid request per listed endpoint. A 402 with a payment payload a client could parse counts. Nothing is paid.
x402-style payments, last 7 days (Base)
2324 x402-style payments from 88 distinct payers, $45.65 USDC in the last 7 days (Base, exact read)
window ended 2026-10-05
- Payments
- 2,324
- Outside payers
- 88
- USDC
- 45.65
All USDC received at this payout address: $45.66 (includes payments that are not x402)
Method: counted when the transaction carries a signed USDC authorization (EIP-3009), the settlement x402's exact scheme uses. Some non-x402 gasless sends use it too.
Reading: x402-style payments to this payout address on Base, exact read of the 7 days to 2026-10-05, every block of the window: counted when the transaction carries a signed USDC authorization (EIP-3009), the settlement x402's `exact` scheme uses. Some non-x402 gasless sends use it too; Sato Hub's own payer wallets are left out
Delivery is not measured. We never send a payment, so we never observe what a paid call returns. Unknown means we hold no reading, not that anything failed.
Chains · one payout address, each chain read on its own
| Chain | Payout address | Listings | Answers 402 | x402-style payments |
|---|---|---|---|---|
| Base | 0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0 | 600 | 0 of 1 probed endpoints answered HTTP 402 with a parseable payment payload 2026-09-19 | 2324 x402-style payments from 88 distinct payers, $45.65 USDC in the last 7 days (Base, exact read) |
| Arbitrum | 0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0 | 603 | 0 of 1 probed endpoints answered HTTP 402 with a parseable payment payload 2026-09-19 | unknown. not measured on this chain yet |
| Avalanche | 0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0 | 603 | 0 of 1 probed endpoints answered HTTP 402 with a parseable payment payload 2026-09-19 | unknown. not measured on this chain yet |
| Celo | 0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0 | 603 | 0 of 1 probed endpoints answered HTTP 402 with a parseable payment payload 2026-09-19 | unknown. not measured on this chain yet |
| Monad | 0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0 | 603 | 0 of 1 probed endpoints answered HTTP 402 with a parseable payment payload 2026-09-19 | unknown. not measured on this chain yet |
| Optimism | 0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0 | 603 | 0 of 1 probed endpoints answered HTTP 402 with a parseable payment payload 2026-09-19 | unknown. not measured on this chain yet |
| Polygon | 0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0 | 603 | 0 of 1 probed endpoints answered HTTP 402 with a parseable payment payload 2026-09-19 | unknown. not measured on this chain yet |
| Sei | 0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0 | 603 | 0 of 1 probed endpoints answered HTTP 402 with a parseable payment payload 2026-09-19 | unknown. not measured on this chain yet |
- Hosts
- agent402.tools
- Listings
- 4,821 registered in the x402 catalogue
- Price range
- $0.0010 to $2.00 per call, as registered
- Categories (auto)
- Developer tools (1096), Market data (840), Onchain data (704), Other (585), Inference (416), Web data (312), Media (248), Identity (224), Search (136), Agents (124), Security (120), Commerce (16)
- First seen
- 2026-10-05 · last seen 2026-10-05
Claim this merchant
Sign a message from the payout address 0xabf4fa…e2a9d0 to claim this page or download its payment ledger. Claiming proves control of the payout key. It says nothing about the service behind the address, and it does not change how this merchant is ranked. No email, no account: the signature is the whole credential, and signing a message costs no gas and moves nothing.
Registrations · 4,821
| Endpoint | Chain | Category | Price | Catalogue date |
|---|---|---|---|---|
https://agent402.tools/api/add-time Add (or subtract) a duration to a date. duration like "2d", "-3h", "1w 2d", "90m". Returns the resulting UTC ISO timestamp. | Base | Other | $0.001 | 2026-09-30 |
https://agent402.tools/api/age Compute a precise age (years, months, days) from a birth date to today (or a given date), plus total days. | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/amortization Build the full per-period amortization schedule for a fully-amortizing loan. Each row reports the period number, payment, the principal vs. interest split for that payment, and the remaining balance after that payment. … | Base | Other | $0.001 | 2026-09-30 |
https://agent402.tools/api/annuity Present and future value of a level annuity (equal periodic payments). Supports an ordinary annuity (payments at period end) and an annuity-due (payments at period start). | Base | Other | $0.001 | 2026-09-30 |
https://agent402.tools/api/asn-info Look up the Autonomous System (ASN), prefix, country, registry, and allocation date for an IPv4 address - or for a hostname (which is resolved first). Uses Team Cymru's free DNS-based IP→ASN mapping; no HTTPS upstream, … | Base | Identity | $0.001 | 2026-09-30 |
https://agent402.tools/api/b20-feature-id Pure-CPU helper: turn a B20 feature string (e.g. base.b20_asset) into its bytes32 feature id and ready-to-send isActivated(bytes32) calldata for the Activation Registry. No network egress. | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/barcode-decode Decode a barcode or QR code from an image. Send a base64 PNG or JPEG (or a data: URL); returns the decoded text and the symbology. Reads QR, DataMatrix, and 1D barcodes (EAN/UPC/Code39/Code128/ITF/Codabar). Deterministi… | Base | Media | $0.001 | 2026-09-30 |
https://agent402.tools/api/base-convert Convert an integer between number bases (radix 2-36), e.g. binary↔hex↔decimal. Arbitrary size via BigInt. | Base | Media | $0.001 | 2026-10-03 |
https://agent402.tools/api/base32 Base32 (RFC 4648) encode or decode text. mode: encode (default) or decode. | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/base58 Base58 encode or decode text (Bitcoin/IPFS alphabet). mode: encode (default) or decode. | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/base64 Base64 encode or decode text. mode: encode (default) or decode. Handles URL-safe base64 on decode. | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/block-info Header-level detail for one block on Ethereum, Base, Polygon, Arbitrum, or Optimism: hash, timestamp (unix + ISO), transaction count, gas used/limit, base fee. Pass a block number, 0x hex, or "latest". Keyless multi-end… | Base | Onchain data | $0.001 | 2026-10-05 |
https://agent402.tools/api/block-number The latest block number on Ethereum, Base, Polygon, Arbitrum or Optimism from keyless public nodes with fallback. Use it as the cheapest possible on-chain read: a liveness check for a chain, a timestamp anchor for a que… | Base | Onchain data | $0.001 | 2026-10-05 |
https://agent402.tools/api/bond-price Price a fixed-coupon bond from its yield to maturity: present-value the coupons plus face. Returns clean price, coupon per period, current yield, and premium/discount vs par. | Base | Market data | $0.001 | 2026-09-30 |
https://agent402.tools/api/break-even Break-even point for a product: the units and revenue at which total revenue covers fixed plus variable costs. Also returns contribution margin and margin ratio. | Base | Commerce | $0.001 | 2026-09-30 |
https://agent402.tools/api/brotli-compress Compress a string with Brotli (RFC 7932) and return it as base64. Brotli typically beats gzip by 15-25% on text - useful when bytes matter (e.g. cramming context into an LLM prompt, fitting under a transport cap). Slowe… | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/brotli-decompress Decompress a base64-encoded Brotli payload. Returns the result as utf8 (text) or base64 (binary). Refuses to expand past 10MB to defend against zip bombs. | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/business-days Count business days (Mon–Fri) between two dates, inclusive of the start, exclusive of the end. Optional list of holiday dates to skip. | Base | Other | $0.001 | 2026-09-30 |
https://agent402.tools/api/cagr Compound annual growth rate between a beginning and ending value over N years: (end/begin)^(1/years) - 1. Also returns total growth over the whole period. | Base | Other | $0.001 | 2026-09-30 |
https://agent402.tools/api/calc Safely evaluate an arithmetic expression (+ - * / % ^ and parentheses). No code execution - a real parser, not eval. | Base | Other | $0.001 | 2026-09-30 |
https://agent402.tools/api/captcha-generate Mint a stateless captcha challenge to gate your OWN endpoint: returns a human prompt plus a salted sha256 answer hash you keep and verify later (sha256(salt + normalized answer) === answerHash) - no server state, no sha… | Base | Developer tools | $0.001 | 2026-10-04 |
https://agent402.tools/api/card-validate Validate a payment card number (Luhn checksum) and detect the brand. Numbers are not stored or logged. | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/case Convert text between camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, Title Case, lower, UPPER. | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/chain-info One-call chain state snapshot: chain id, latest block number, and current gas price (wei + gwei) for Ethereum, Base, Polygon, Arbitrum, or Optimism. Keyless multi-endpoint failover. | Base | Onchain data | $0.001 | 2026-09-30 |
https://agent402.tools/api/chain/nonce The transaction count of an account, which is the nonce its next transaction must carry. Ask for block "pending" to include transactions already in the mempool, which is what you want before signing; the default "latest… | Base | Onchain data | $0.001 | 2026-09-30 |
https://agent402.tools/api/chain/pending The chain's pending block: how many transactions are queued for the next block, the base fee they will pay, and the gas already used against the limit. This is the node's own view of what is about to be mined, so it ans… | Base | Onchain data | $0.001 | 2026-10-04 |
https://agent402.tools/api/chain/storage Read one 32-byte storage slot from a contract, the raw state under whatever the source code calls it. Returns the word as hex plus three readings of the same bytes - unsigned integer, address (low 20 bytes) and boolean … | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/chain/total-supply The circulating total supply of an ERC-20, read from the token contract itself rather than from an aggregator, so it is the number the chain holds at the block you asked for. Returns the raw uint256 and the same figure … | Base | Onchain data | $0.001 | 2026-09-30 |
https://agent402.tools/api/checksum Compute MD5, SHA-1, SHA-256, SHA-512, and CRC32 checksums of a string in a single call. Useful for verifying file or payload integrity across different checksum standards without needing five separate tools. | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/cidr Parse an IPv4 CIDR block: network address, broadcast, first/last host, netmask, and host count. Optionally test if an IP is inside it. | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/color Convert a color between hex, RGB, and HSL. Accepts "#1a2b3c", "rgb(26,43,60)", or "hsl(210,40%,17%)". | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/compress-compare Run the same input through gzip, brotli, and raw deflate at max settings and report each one's output size and ratio. Use this to decide which algorithm to actually use - the answer depends on your content (binary often… | Base | Media | $0.001 | 2026-09-30 |
https://agent402.tools/api/correlation Pearson correlation coefficient between two equal-length numeric series. Returns r (the correlation, -1 to 1), r² (variance explained), n (sample size). Use this to ask things like: is a stock's daily return correlated … | Base | Market data | $0.001 | 2026-09-30 |
https://agent402.tools/api/count Count characters, words, lines, and (optionally) occurrences of a substring in text. | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/country-info Country facts by name or ISO code: official name, capital, region, currencies, languages, timezones, dialing code, TLD, and more. Committed open dataset (world-countries, ODbL, plus the IANA timezone country map) - offl… | Base | Developer tools | $0.001 | 2026-10-05 |
https://agent402.tools/api/crc32 CRC-32 checksum of a text string (hex), the IEEE polynomial used by zip/png/gzip. | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/cron-next Parse a 5-field cron expression and return the next N run times (UTC). | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/crypto-orderbook L2 order-book snapshot for a spot pair: best bid/ask, mid price, spread (absolute + %), and the top N aggregated price levels per side (default 25, max 100). Pairs use BASE-QUOTE format (BTC-USD, ETH-USD, SOL-USDC). Bac… | Base | Market data | $0.001 | 2026-09-30 |
https://agent402.tools/api/crypto-price Live spot price for one or many coins in any quote currency: last price, 24h change, 24h volume and market cap per coin, from a maintained market feed and answered in under a second. Use it when an agent needs a current… | Base | Market data | $0.001 | 2026-10-05 |
https://agent402.tools/api/crypto-trending Trending coins on CoinGecko in the last 24 hours, ranked by user search activity on the site (currently ~15 results). Includes coin id, symbol, market cap rank, current price (BTC-denominated), and score. Useful signal … | Base | Market data | $0.001 | 2026-10-05 |
https://agent402.tools/api/csv-lint Validate CSV structure: consistent column counts across rows, properly closed quotes, delimiter detection. Returns row/column counts and any structural errors. Pure CPU. | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/date-diff Difference between two dates/times in ms, seconds, minutes, hours, days, and a human summary. | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/date-format Parse a datetime from any format (ISO 8601, Unix timestamp in seconds or milliseconds, RFC 2822, or natural date string) and return it in every common format: ISO 8601, Unix (seconds), Unix (ms), RFC 2822, date-only, ti… | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/day-of-year Get the day number within the year (1-366) for any date, plus days remaining, leap-year status, percent of year complete, and a simple (Sunday-start) week number. | Base | Other | $0.001 | 2026-09-30 |
https://agent402.tools/api/decide/execute Run a decision's plan through Agent402: first-party steps run directly, third-party steps are paid on your behalf (paid on Base, or by credits or card) and relayed at the seller's price plus a disclosed routing fee. Pri… | Base | Other | $0.001 | 2026-10-02 |
https://agent402.tools/api/dedupe-lines Remove duplicate lines, preserving first-seen order. Returns the deduped text and how many were removed. | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/defi-dex-volume Decentralized exchanges ranked by 24h spot volume with 7d, 30d, 1y and all-time volume, change, the chains each trades on and sector totals. Use it when an agent needs to know where onchain spot volume is happening or h… | Base | Onchain data | $0.001 | 2026-09-30 |
https://agent402.tools/api/defi-tvl Look up the current Total Value Locked (TVL) for a DeFi protocol via DeFiLlama's public API. Identify the protocol by its DeFiLlama slug (uniswap, aave, lido, ethena, etc.). Returns the total TVL plus per-chain breakdow… | Base | Onchain data | $0.001 | 2026-09-30 |
https://agent402.tools/api/dex-pair Look up the Uniswap V3 pool address for a token pair + fee tier on Ethereum, Base, Polygon, Arbitrum, or Optimism. Pass either order (tokenA/tokenB) - the factory sorts internally. Returns 0x0…0 if no pool has been depl… | Base | Onchain data | $0.001 | 2026-09-30 |
https://agent402.tools/api/dex-top-pools Top DEX pools (Uniswap, Sushi, Curve, Aerodrome, etc.) ranked by current TVL - filterable by chain and project. Sourced from DeFiLlama's public Yields API (keyless). Each row carries chain, project slug, symbol pair, TV… | Base | Onchain data | $0.001 | 2026-09-30 |
Descriptions are the seller’s own words from the catalogue and are not checked by us. A listed price is a registration, not an observed charge.
Data CC-BY-4.0, attribution: data by satohub.ai. Collector run 2026-10-05. Appearing here is not an endorsement. Check an endpoint with the doctor.