Applications, APIs & agent tools
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Listing ID: x402:59b2ef146ac2a1bc8ea4fe6b72e8c47988b8b58e5b73b050ac90fad02c71eb04
Inspect one Base ERC-20 owner/token/spender allowance with same-block balance and token metadata plus factual exposure flags. No wallet access, …
Listing ID: x402:5fd2aa6b293b17a1bb73cc158b64730b31018bafe9175e0a33b8ff812ce9f8cd
Compare one x402 resource's Coinbase Bazaar discovery visibility with a caller-held baseline: merchant presence, discovery metadata, schema meta…
Listing ID: x402:94c84bd995d99793ea16243b8ee6e4425c4091439ef35bcd24bd847d2b90505e
Bounded Ethereum/Base wallet/portfolio holdings evidence: inventory, partial DEX pricing coverage, concentration, and evidence gaps. Pre-action …
Listing ID: x402:e1df8a76494614a11dab2d1ddf8536806879c6f1137e1bb5f754f18ed65eea0d
Produce a factual snapshot of current x402 payment authority for one unpaid v2 requirement and one public EVM payer: selected scheme/network/ass…
Listing ID: x402:e8cdb4aaaa4cb42e9de62d2baaca8f70ddb29599b613cc13f3d4cd621bf8b328
Determine whether a previously accepted x402 service payment contract is still equivalent enough to proceed. Compares one live unpaid 402 challe…
Listing ID: x402:f29249267dd25c709ad8556a9b206a18594f52bd1651b15312cacddc995ed667
Return bounded factual eth_estimateGas units and recent eth_feeHistory execution-fee evidence for one unsigned Ethereum or Base transaction. Not…
Listing ID: x402:4d86eff6f74c8c407c9acf4ed7509793e3e9bcef47105a0b082d0ff42aee3318
Use when an agent already knows the product it wants and needs real current Shopify listings for a structured query. Returns normalized product/…
Listing ID: x402:6a557b1e467d2286cebc21fa6670461cdb4bc6ae8d76eafc1ce7c704f734a18e
A pre-payment gate for an agent about to send USDC. Screens the recipient (OFAC sanctions, Coinbase/Basename identity, wallet vs contract, fresh…
Listing ID: x402:b8ef2f50e28a14972302062220f3889263ab921c817d6e55e38c4dfdcc156dea
Pre-payment risk and usefulness check for AI agents deciding whether to pay an x402 endpoint.
Listing ID: x402:3ed43640f9b53e9001b050cfee7f657989017c1003f4bae6468581ad05748cec
Verify a public http or https provider URL for L402, x402, or MPP. POST JSON with required url and optional protocol (l402, x402, or mpp), libra…
Listing ID: x402:d34651ced43328757a22fd1eed6e4c6b7a6f1bbb865df9f9b35aeb61ea40ea2c
Check whether a public URL exposes L402, x402, or MPP discovery. Send url as a query parameter. POST JSON {"url":"https://..."} is the same chec…
Registry record: dev.workers.sdnscreen.sdn-screen-x402/agent-preflight
$0.01/call via x402: OFAC wallet screen, DNS, email auth, domain age, email verify, URL unshorten.
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