x402 census · sellers · api.onesource.io · JSON
api.onesource.io live
api.onesource.io lists 70 x402 resources in cdp; 26 answered a valid 402 to an unpaid GET, 0 are dead; prices $0.001 to $0.05; on-chain 38 payers, 428 payments, $1.15 USDC; discovery files: manifest, llms.
Listed resources
70
GET 68, POST 2
Valid 402
26 / 26
verdict live; 12 templated paths
Dead
0
none
Prices
$0.001–$0.05
median $0.02; networks base
Payers on record
38
428 payments, $1.15 USDC, last 2026-09-30
Sampler share
86.2%
payments from monitor/indexer-shaped wallets
Discovery files on the host (checked 2026-09-30)
| File | Status | Detail |
|---|---|---|
| /.well-known/x402 | present | string-list, 71 entries |
| /openapi.json | absent (HTTP 200) | |
| /llms.txt | present | 6,236 bytes, mentions x402 |
| /.well-known/agent-card.json | absent (HTTP 404) |
On-chain settlement facts (public payTo addresses)
38 distinct paying wallets, 428 payments, $1.15 USDC between 2026-05-08 and 2026-09-30; 86.2% of payments came from sampler-shaped wallets. Source: forensics-2026-09-30.
payTo: 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea
Resources (70)
| Resource | Price | Network | Verdict | Catalogs | Description |
|---|---|---|---|---|---|
| GET /api/chain/erc20-balance | $0.003 | base | live | cdp | ERC20 token balance for any Ethereum wallet - USDC, USDT, DAI, or any token - via balance… |
| GET /api/chain/block-number | $0.001 | base | live | cdp | Latest Ethereum block height - current chain tip via eth_blockNumber |
| GET /api/chain/live-balance | $0.003 | base | live | cdp | Live wallet balance - native ETH plus up to 20 caller-supplied ERC20 tokens in one bounde… |
| GET /api/chain/ens/:input | $0.005 | base | live | cdp | ENS resolve - turn a .eth name into an address, or an address into its primary .eth name,… |
| GET /api/chain/contract/:address | $0.005 | base | live | cdp | Best-effort contract introspection via batched RPC - bytecode presence, token metadata, a… |
| GET /api/chain/erc20-transfers | $0.005 | base | live | cdp | ERC20 Transfer logs via eth_getLogs - raw Transfer events for a token or wallet |
| GET /api/chain/block/:number | $0.003 | base | live | cdp | Fetch an Ethereum block header and transaction hashes by number, tag, or hex via eth_getB… |
| GET /api/chain/nonce/:address | $0.003 | base | live | cdp | Next transaction nonce for any Ethereum wallet via eth_getTransactionCount - how many txs… |
| GET /api/chain/total-supply | $0.003 | base | live | cdp | Total supply of an ERC20 or ERC721 token contract via totalSupply (eth_call) |
| GET /api/chain/tx/:hash | $0.008 | base | live | cdp | Full Ethereum transaction details by hash via eth_getTransactionByHash - from, to, value,… |
| GET /api/chain/receipt/:hash | $0.005 | base | live | cdp | Transaction receipt via eth_getTransactionReceipt - status, gas, and event logs for a min… |
| GET /api/chain/network-info | $0.001 | base | live | cdp | EVM network info - chain ID, block height, gas price, chain head age, and chain character… |
| GET /api/chain/erc721-tokens | $0.008 | base | live | cdp | List every ERC721 NFT token_id a wallet owns in a collection via tokenOfOwnerByIndex (eth… |
| GET /api/chain/nft-metadata | $0.008 | base | live | cdp | NFT metadata for ERC721 or ERC1155 tokens via eth_call, with IPFS, Arweave, data URI, and… |
| GET /api/chain/events | $0.005 | base | live | cdp | Query Ethereum contract event logs via eth_getLogs - filter by contract, topic, and block… |
| GET /api/chain/chain-id | $0.001 | base | live | cdp | Ethereum chain ID (EIP-155) via eth_chainId - confirm which chain a network is on |
| GET /api/chain/code/:address | $0.003 | base | live | cdp | Check if an Ethereum address is a contract via eth_getCode - returns deployed bytecode |
| GET /api/chain/allowance | $0.003 | base | live | cdp | ERC20 allowance via allowance (eth_call) - how much a spender is approved to move from an… |
| POST /api/chain/call | $0.005 | base | live | cdp | Simulate a read-only Ethereum contract call via eth_call - no transaction sent |
| POST /api/chain/estimate-gas | $0.004 | base | live | cdp | Estimate the gas a transaction will consume via eth_estimateGas before signing it |
| GET /api/chain/erc1155-balance | $0.003 | base | live | cdp | ERC1155 token balance via balanceOf (eth_call) - how many copies of a token_id a wallet h… |
| GET /api/chain/nft-owner | $0.003 | base | live | cdp | Look up the current owner of an ERC721 NFT by token_id via ownerOf (eth_call) |
| GET /api/chain/proxy/:address | $0.005 | base | live | cdp | Detect upgradeable proxy patterns (EIP-1967, UUPS, Transparent) via eth_getStorageAt - re… |
| GET /api/chain/storage | $0.005 | base | live | cdp | Read a raw storage slot from any Ethereum contract via eth_getStorageAt |
| GET /api/chain/pending | $0.01 | base | live | cdp | Pending block - transactions not yet mined, via eth_getBlockByNumber("pending") |
| GET /deepstate/v1/candles/:book | $0.005 | base | live | cdp | Deepstate, the on-chain order-book exchange on Robinhood Chain. OHLCV candles for a marke… |
| GET /deepstate/v1/analytics/depth-history | $0.02 | base | unprobed | cdp | Deepstate, the on-chain order-book exchange on Robinhood Chain. Depth heatmap - resting o… |
| GET /deepstate/v1/analytics/cost-to-quote | $0.02 | base | unprobed | cdp | Deepstate, the on-chain order-book exchange on Robinhood Chain. Gas spent resting and can… |
| GET /deepstate/v1/stats/:book | $0.005 | base | unprobed | cdp | Deepstate, the on-chain order-book exchange on Robinhood Chain. Rolling 24h / 7d / 30d vo… |
| GET /deepstate/v1/book/:book | $0.005 | base | unprobed | cdp | Deepstate, the on-chain order-book exchange on Robinhood Chain. Order-book snapshot for a… |
| GET /deepstate/v1/analytics/makers | $0.02 | base | unprobed | cdp | Deepstate, the on-chain order-book exchange on Robinhood Chain. Per-maker time-at-top, no… |
| GET /deepstate/v1/markets | $0.005 | base | unprobed | cdp | Deepstate, the on-chain order-book exchange on Robinhood Chain. Lists the markets this se… |
| GET /deepstate/v1/trades/:book | $0.005 | base | unprobed | cdp | Deepstate, the on-chain order-book exchange on Robinhood Chain. Trade tape for a market, … |
| GET /standard/v1/pool | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Latest AMM p… |
| GET /standard/v1/governance/changes | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Governance a… |
| GET /standard/v1/policy/outlook | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. A current-pa… |
| GET /standard/v1/branches/summary | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Summary acro… |
| GET /standard/v1/tax/schedule | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. The launch t… |
| GET /standard/v1/events | $0.005 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Raw protocol… |
| GET /standard/v1/supply/history | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Supply ledge… |
| GET /standard/v1/branches/license-cost | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Today's Bran… |
| GET /standard/v1/backing/current | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. A snapshot o… |
| GET /standard/v1/branches/auction/live | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Live Branch … |
| GET /standard/v1/supply/current | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Latest suppl… |
| GET /standard/v1/policy/current | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. The current … |
| GET /standard/v1/vaults/history | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Vault snapsh… |
| GET /standard/v1/buybacks/readiness | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Whether the … |
| GET /standard/v1/backing/history | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Backing-rati… |
| GET /standard/v1/auctions/sales | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Auction sale… |
| GET /standard/v1/dormancy | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Wallet last-… |
| GET /standard/v1/charters | $0.005 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Charters, op… |
| GET /standard/v1/decisions/exit | $0.05 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Everything r… |
| GET /standard/v1/exit/fee-forecast | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. A current-pa… |
| GET /standard/v1/vaults/current | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Latest expan… |
| GET /standard/v1/exit-pressure/history | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Exit-pressur… |
| GET /standard/v1/exit-pressure/current | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Current exit… |
| GET /standard/v1/holders/concentration | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. How concentr… |
| GET /standard/v1/flow/hourly | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Hourly ETH i… |
| GET /standard/v1/issuance/runway | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Cumulative S… |
| GET /standard/v1/decisions/branch | $0.05 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Everything r… |
| GET /standard/v1/branches/doi | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Days of Issu… |
| GET /standard/v1/auctions/days | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Per-day hist… |
| GET /standard/v1/exit/fee-curve | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. How the rese… |
| GET /standard/v1/auctions/current | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Current Dutc… |
| GET /standard/v1/constants | $0.005 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Chain-read p… |
| GET /standard/v1/dormancy/bounties | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Wallets past… |
| GET /standard/v1/candles | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. OHLC price c… |
| GET /standard/v1/policy/epochs | $0.02 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Epoch histor… |
| GET /standard/v1/decisions/plan | $0.05 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Simulates ke… |
| GET /standard/v1/decisions/charter | $0.05 | base | unprobed | cdp | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Everything r… |
Catalog rows: cdp 70. Listed since at least 2026-09-25; last catalog update 2026-09-30. CDP counters: 15,600 calls, 14,593 payer-rows in 30 days (catalog-reported).
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Paid report (x402)
GET https://bazaar.agentexchange.work/seller/api.onesource.io/report.json re-probes up to 18 of these resources right now, re-fetches the manifest and returns the whole record for $0.05 USDC on Base. Unpaid requests answer 402 with the terms. Pricing.