the402 x402 endpoint directory

Paid Watchdog registration: 30 days of signed monitoring for one x402 endpoint

Claw Messenger Base plan — 250 messages over 30 days, 1 registered number

Independent multi-agent security audit (OWASP ASI01-ASI10 coverage) of a counterparty agent or MCP server before you g

Ask a real legal-research question, answered live and grounded in real, named legislation/case law/regulator guidance.

Load a reloadable card balance with USDC. Pay from either chain: the card issuer only accepts USDC on Base, and Laso b

Whale-watch: a standing 30-day watch on one EVM wallet. Sweeps every 15 minutes across 6 chains; alerts the moment a t

Student-loan fix document: deterministic lane routing plus the ready-to-send paper — a California AB 376 statutory dem

Financial-aid appeal letter (US federal aid / FAFSA): deterministic lane routing (HEA §479A professional judgment / de

Citation-locked medical-bill letter: No Surprises Act balance-bill dispute, health-plan internal appeal, hospital fina

Black-box check: does the x402 endpoint verify payment (reject forged txHash/signature/replay) before delivering? Buye

Domain intelligence brief with sourcing map

Purchase a dedicated phone number valid for 30 days. The number is bound to your wallet address. Default country is US

Order a gift card from the catalog. Browse available cards at GET /search-gift-cards.

Get Arkham top token holders by chain/address. $6.00 per call.

Search Arkham addresses, entities, tokens, pools, and names. $6.00 per call.

Send a payment via Venmo or PayPal. Requires KYC verification on the calling wallet; if not yet verified the response

Get Arkham transfers with filters. Priced per row: $0.40 × limit (default 20, max 1650); pass the smallest useful limi

Answers 402 via GET. Speaks the v2 dialect over the PAYMENT-REQUIRED header, charges $9.003835 on base.

Get top Arkham counterparties for an address. $10.00 per call.

Send dollars to a bank account by ACH. Requires a bank destination registered beforehand with addBankingDestination (l

Citation-verified crypto wallet tax review: submit wallet addresses + jurisdiction, get a professional report grounded

Rent a disposable VPS via x402. Pass `sku` from GET /catalog (e.g. server_small_1mo). Pay-on-success: USDC settles onl

Certificate of Patronage. A signed certificate of patronage and a gilt badge; entitles the holder to nothing whatsoeve

Boost any social post with real human engagement from ProductClank's creator community. $20 per boost: 10 authentic AI

Submit a startup credit or startup program for evidence-backed human review. A passing review earns verified status fo

Which businesses carry public-record distress markers? One observational row per subject across ten tracked marker typ

What does the full FMCSA carrier census look like, carrier by carrier, with authority and safety context attached? Bul

Who are the current executives and directors of US public companies, as attested to the SEC? Bulk feed over Section 16

Which prescribers just entered a drug class this Medicare Part D year — e.g. new GLP-1 prescribers in PY2024? Bulk fee

Which employers just drew a union representation petition? Bulk feed over NLRB cases, newest-first by filing date, def

What does the full RCRAInfo hazardous-waste handler roster look like, handler by handler? Bulk feed over EPA RCRAInfo

Which companies just opened a new clinical trial or site? Bulk feed over NIH ClinicalTrials.gov interventional, indust

Which public companies are insiders buying as a cluster right now? Bulk feed over SEC Form 4 open-market BUY clusters

Which veteran-owned (SDVOSB / VOSB) vendors just showed fresh federal traction? Bulk feed over the verified veteran-ow

Which companies just received a federal subaward — and which are getting their FIRST one? Bulk feed over USAspending s

Which firms just received an FDA Warning Letter — an open compliance-gap and remediation clock? Bulk feed over the FDA

Which medical devices did the FDA just clear or approve, and who is the applicant? Bulk feed over openFDA 510(k) clear

Which drugs did the FDA just approve, and who is the sponsor? Bulk feed over openFDA Drugs@FDA approvals, newest-first

Which small businesses were just approved for an SBA loan? Bulk feed over SBA 7(a) & 504 FOIA loan approvals, newest-f

Which companies are granting a cluster of patents? Bulk feed over USPTO / PatentsView granted-patent assignees, ordere

Which companies just won federal money? Bulk feed over USAspending prime awards (contracts + assistance), newest-first

Answers 402 via GET. Speaks the v2 dialect over the PAYMENT-REQUIRED header, charges $29 on base.

Answers 402 via GET. Speaks the v2 dialect over the PAYMENT-REQUIRED header, charges $39 on base.

Answers 402 via GET. Speaks the v2 dialect over the PAYMENT-REQUIRED header, charges $50 on base.

Launch a community content campaign for your product on ProductClank. $50 per launch: real creators produce and post o

Fetch Arkham address intelligence in batch. $50.00 per call.

Answers 402 via GET. Speaks the v2 dialect over the PAYMENT-REQUIRED header, charges $50 on base.

Get YOUR x402 endpoint listed in this Bazaar - done for you, $99 one-time. You receive a deploy-ready x402 v2 kit gene

Answers 402 via GET. Speaks the v2 dialect over the PAYMENT-REQUIRED header, charges $100 on base.

Answers 402 via GET. Speaks the v2 dialect over the PAYMENT-REQUIRED header, charges $100 on base.