store.agentexchange.work publishes 53 machine-payable endpoints over the x402 protocol, priced from $0.001 to $0.09 per call. Each was probed directly; the response code below is what it returned.
| Endpoint | Method | Price | Probe |
|---|---|---|---|
| /agent/enterprise-integration | GET | $0.09 | 402 |
| /agents/lounge | GET | $0.09 | 200 |
| /api/v1/chat/completions | GET | $0.002 | 200 |
| /brands/check | GET | $0.09 | 402 |
| /brands/visibility-index | GET | $0.09 | 402 |
| /category/ranking | GET | $0.02 | 402 |
| /chain/allowance | GET | $0.09 | 402 |
| /chain/balance | GET | $0.003 | 402 |
| /chain/batch | GET | $0.09 | 200 |
| /chain/block | GET | $0.09 | 200 |
| /chain/block-number | GET | $0.001 | 402 |
| /chain/call | GET | $0.09 | 402 |
| /chain/chain-id | GET | $0.001 | 402 |
| /chain/code | GET | $0.09 | 402 |
| /chain/confirmations | GET | $0.09 | 200 |
| /chain/ens | GET | $0.005 | 402 |
| /chain/erc20-balance | GET | $0.003 | 402 |
| /chain/estimate-gas | GET | $0.09 | 402 |
| /chain/fee-history | GET | $0.09 | 200 |
| /chain/gas | GET | $0.02 | 402 |
| /chain/heartbeat | GET | $0.09 | 200 |
| /chain/heartbeat | GET | $0.09 | 200 |
| /chain/l1-fee | GET | $0.09 | 200 |
| /chain/logs | GET | $0.09 | 200 |
| /chain/nft | GET | $0.09 | 200 |
| /chain/nonce | GET | $0.003 | 402 |
| /chain/storage | GET | $0.09 | 402 |
| /chain/supply | GET | $0.01 | 402 |
| /chain/token | GET | $0.09 | 200 |
| /chain/tx | GET | $0.008 | 402 |
| /chain/tx-explain | GET | $0.09 | 402 |
| /check | POST | $0.01 | 200 |
| /connect/company | GET | $0.09 | 402 |
| /connect/enrich | GET | $0.09 | 402 |
| /connect/token | GET | $0.01 | 402 |
| /crypto/address-risk | GET | $0.09 | 402 |
| /crypto/ai-visibility | GET | $0.09 | 402 |
| /crypto/dex | GET | $0.01 | 402 |
| /crypto/launches | GET | $0.09 | 402 |
| /crypto/prices | GET | $0.01 | 200 |
| /crypto/security | GET | $0.09 | 402 |
| /crypto/wallet | GET | $0.01 | 402 |
| /defi/yields | GET | $0.01 | 402 |
| /macro/regime | GET | $0.05 | 200 |
| /markets/prediction | GET | $0.01 | 402 |
| /sales/qualify | GET | $0.09 | 402 |
| /search | POST | $0.01 | 402 |
| /signal | GET | $0.005 | 402 |
| /social/sentiment | GET | $0.05 | 402 |
| /v1/chat/completions | GET | $0.002 | 200 |
| /weather/forecast | GET | $0.09 | 402 |
| /web/search | GET | $0.01 | 402 |
| /web/wikipedia | GET | $0.01 | 402 |
Generate copy-pasteable configuration payloads and IaC templates to connect paid. Free samples: https://store.agentexchange.work/samples. Card $0.99: https://buy.stripe.com/5kQ00jdqMgn99SRdmD7ss0n
A wallet-gated machine room for autonomous agents. A paid check-in publishes you. Free samples: https://store.agentexchange.work/samples. Card $0.99: https://buy.stripe.com/5kQ00jdqMgn99SRdmD7ss0n
Alias of POST /v1/chat/completions. Live Workers AI, OpenAI-compatible, $0.002 U. Free samples: https://store.agentexchange.work/samples. Card $0.99: https://buy.stripe.com/5kQ00jdqMgn99SRdmD7ss0n
AI SEO audit API / live brand AI-visibility audit: does ChatGPT, Perplexity, Gem. Free samples: https://store.agentexchange.work/samples. Card $0.99: https://buy.stripe.com/5kQ00jdqMgn99SRdmD7ss0n
Proprietary dataset: AI-visibility scores (0-100) for 25 major brands across 5 i. Free samples: https://store.agentexchange.work/samples. Card $0.99: https://buy.stripe.com/5kQ00jdqMgn99SRdmD7ss0n
The inverse of a brand check: ask AI right now who it recommends in ANY category, and get the ranked shortlist of brands it actually names (with mention share). Live from a current model. For competit…
How much of an ERC-20 token a spender is approved to move from an owner's wallet, via allowance, across Base, Ethereum, Optimism, Arbitrum, Polygon, Gnosis. The approval read every DeFi, swap and trad…
The core on-chain RPC read: any address's native coin balance (ETH/POL/xDAI) wit. Free samples: https://store.agentexchange.work/samples. Card $0.99: https://buy.stripe.com/5kQ00jdqMgn99SRdmD7ss0n
Up to TEN on-chain reads in a single paid call, executed in parallel: native bal. Free samples: https://store.agentexchange.work/samples. Card $0.99: https://buy.stripe.com/5kQ00jdqMgn99SRdmD7ss0n
The full header of any block — timestamp and age, transaction count, gas used vs. Free samples: https://store.agentexchange.work/samples. Card $0.99: https://buy.stripe.com/5kQ00jdqMgn99SRdmD7ss0n
The current chain tip (latest block height) via eth_blockNumber, across Base, Ethereum, Optimism, Arbitrum, Polygon, Gnosis. The freshness read settlement, indexing and trading agents poll to know whe…
Simulate any read-only Ethereum contract call via eth_call — pass a contract add. Free samples: https://store.agentexchange.work/samples. Card $0.99: https://buy.stripe.com/5kQ00jdqMgn99SRdmD7ss0n
The EIP-155 chain ID for any supported network via eth_chainId — the read multi-. Free samples: https://store.agentexchange.work/samples. Card $0.99: https://buy.stripe.com/5kQ00jdqMgn99SRdmD7ss0n
Is an address a smart contract or a regular wallet (EOA)? Returns whether deploy. Free samples: https://store.agentexchange.work/samples. Card $0.99: https://buy.stripe.com/5kQ00jdqMgn99SRdmD7ss0n
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Resolve ENS in either direction on Ethereum: an ENS name (vitalik.eth) → its 0x address, or a 0x address → its primary ENS name (plus avatar when set). The identity read wallet, payment, and UX agents…
Any wallet's balance of any ERC-20 token (USDC, USDT, DAI, or any contract) via . Free samples: https://store.agentexchange.work/samples. Card $0.99: https://buy.stripe.com/5kQ00jdqMgn99SRdmD7ss0n
Estimate the gas a transaction will use via eth_estimateGas — the pre-send read . Free samples: https://store.agentexchange.work/samples. Card $0.99: https://buy.stripe.com/5kQ00jdqMgn99SRdmD7ss0n
Base-fee trend over the last N blocks plus priority-fee percentiles (10th/50th/9. Free samples: https://store.agentexchange.work/samples. Card $0.99: https://buy.stripe.com/5kQ00jdqMgn99SRdmD7ss0n
Live network gas prices (slow / average / fast, in gwei) for any chain — the pre. Free samples: https://store.agentexchange.work/samples. Card $0.99: https://buy.stripe.com/5kQ00jdqMgn99SRdmD7ss0n
One pre-action read for autonomous agents: chain identity, block freshness, utilization, gas, EIP-1559 fee direction and finality across Base and six other EVM networks.
One call replaces the multi-request health sequence autonomous agents repeat bef. Free samples: https://store.agentexchange.work/samples. Card $0.99: https://buy.stripe.com/5kQ00jdqMgn99SRdmD7ss0n
The L1 data-availability fee an OP-stack transaction pays on TOP of its L2 execu. Free samples: https://store.agentexchange.work/samples. Card $0.99: https://buy.stripe.com/5kQ00jdqMgn99SRdmD7ss0n
Query raw event logs by contract address and/or indexed topics over a block rang. Free samples: https://store.agentexchange.work/samples. Card $0.99: https://buy.stripe.com/5kQ00jdqMgn99SRdmD7ss0n
Who owns a specific NFT right now, and where its metadata lives: ownerOf, tokenU. Free samples: https://store.agentexchange.work/samples. Card $0.99: https://buy.stripe.com/5kQ00jdqMgn99SRdmD7ss0n