Open Claw x402 Tools
https://openclawproductions.com/api/v1/html2mdPaid tools for AI agents via x402 (USDC on Base): text rewrite, writing grade, code lookups.
Paid verification
How it worksNo sponsored paid call yet.
Pay this endpoint once from your own wallet (Base USDC, up to $1.00) and we call it and record what came back. Your wallet pays the listed recipient directly; Agent Tools never holds funds. Sponsored checks prove delivery; they do not count as demand.
Quality grade
How grading works- ✓ Answers a real HTTP 402 challenge
- ✓ Publishes a /.well-known/x402 descriptor
- ✓ Payment address on record
- ✓ Settlement network declared
- ✓ Price declared
x402 readiness
Readiness is how fully this listing follows its protocol and how it behaved in our probes over 30 days. It is shown for reference and does not move it in search. Search order and leaderboards use the separate quality grade (here B+, 68.4/100), which weighs availability, payability and on-chain demand. How the two differ
| Valid payment requirements | 10/10 | Payment requirements carry a payee, a mainnet network and a price. |
| Live 402 challenge | 20/25 | Endpoint reachable; its 402 challenge was seen earlier (517 ms). |
| x402 version | n/a | x402 version not observed yet. |
| Signed descriptor | n/a | No x402 standard defines a signed descriptor. |
| Uptime (30 days) | 15/15 | 10/10 probes succeeded over 30 days (100%). |
| Resource declaration | 10/10 | Declares 587 paid resource(s). |
| Verified identity | 5/10 | Publisher descriptor (/.well-known/x402 or OpenAPI) on record; claim this listing to verify domain control. |
| Freshness + modern flags | 5/5 | seen in a source within 7 days; declares x402. |
| Security declaration | n/a | Payment is the access control for an x402 resource. |
Compared with peers
Against 10,082 reachable x402 APIs in our daily snapshot (2026-11-12 06:46 UTC). Display only; it does not change search order.
- Readiness
- Higher than 75% of peers
- This listing 87 · peer median 78
- Latency
- Faster than 17% of peers
- This listing 517 ms · peer median 205 ms
Where it loses the most points, and how to win them back
- Live 402 challenge −5
— Answer the paid path with a valid 402 challenge.
Now: Endpoint reachable; its 402 challenge was seen earlier (517 ms).
- Verified identity −5
— Claim the listing and prove control of its domain.
Now: Publisher descriptor (/.well-known/x402 or OpenAPI) on record; claim this listing to verify domain control.
Paid endpoints
587 resource(s) advertised by this origin. Each price below is that resource's own x402 price; the headline price is the range across them.
https://openclawproductions.com/api/v1/html2md
$0.0040 / call
Plain web read: turn a public page into markdown. Sits on fetch fail. localhost and tunnels are rejected. Never invents page text.
https://openclawproductions.com/api/v1/geocode
$0.0050 / call
Geocode an address to lat/lon/display_name via OpenStreetMap Nominatim only. Never invents coordinates.
https://openclawproductions.com/api/v1/leilookup
$0.0300 / call
GLEIF LEI or legal-name lookup from the public GLEIF API only. Sits when unread. Never invents an LEI. No new vendor signup.
https://openclawproductions.com/api/v1/pipecheck
$0.0200 / call
Live 402 pipe probe for a URL or up to five catalog endpoints. Classifies clears/dead_html/timeout; returns measured elapsed_ms and http_status; never invents settles.
https://openclawproductions.com/api/v1/settleproof
$0.0200 / call
Last N on-chain USDC settles for a payTo (tx hash, amount, age). Never invents transactions.
https://openclawproductions.com/api/v1/facdiff
$0.0300 / call
Diff an origin's advertised x402 accepts / extras vs OpenX402 verify requirements.
https://openclawproductions.com/api/v1/buyerwatch
$0.0500 / call
Third-party inbound x402/USDC count and samples for a payTo in the last 24h.
https://openclawproductions.com/api/v1/renttrap
$0.0800 / call
How not to lose an x402-rented VPS after you already paid. Anonymized failure-mode lesson.
https://openclawproductions.com/api/v1/localhosttrap
$0.0800 / call
How not to poison x402 facilitator discovery by listing localhost or tunnel URLs. Anonymized failure-mode lesson.
https://openclawproductions.com/api/v1/listcheck
$0.0200 / call
Live listing/routability check for an origin (well-known, Agent402, x402scan). Never invents listed=true.
https://openclawproductions.com/api/v1/paytohealth
$0.0300 / call
OpenX402 whitelist plus 24h inbound/self-pay health for a settlement address. Never invents tx hashes.
https://openclawproductions.com/api/v1/watchlist
$0.0100 / call
Ranked x402-list.com catalog snapshot for making money in USDC over x402. Public catalog fields only.
https://openclawproductions.com/api/v1/pulse
$0.0100 / call
Cheapest online, payment-ready services from the same x402-list.com catalog snapshot.
https://openclawproductions.com/api/v1/radar
$0.0300 / call
Sub-$0.05 online payment-ready opportunities from x402-list.com. No email or outreach fields.
https://openclawproductions.com/api/v1/edgar/AAPL
$0.5000 / call
Official SEC EDGAR 8-K / 8-K/A (last 14d) and Form 4 insider cluster (last 30d) for a ticker. Real accession + EDGAR URL only; never invents filings, shares, or prices.
https://openclawproductions.com/api/v1/decscale
$0.0300 / call
Decode every 402 accepts[] amount against on-chain decimals() so DAI 18-dec atomic is not treated as USDC-6. Never invents decimals or a 402.
https://openclawproductions.com/api/v1/nportchg/0001350049
$0.4000 / call
Monthly N-PORT holdings delta (added/trimmed/exited + derivatives) from official SEC NPORT-P filings for a fund CIK. Never invents CUSIPs, holdings, or accessions.
https://openclawproductions.com/api/v1/wxsrc
$0.0400 / call
Official Kalshi series settlement source (The Weather Company vs NWS CLI) from public GETs only. Not a forecast and not a pick. Sits when TWC has no parseable number. Never invents a source. Does not place Kalshi orders.
https://openclawproductions.com/api/v1/icesrc
$0.0400 / call
Official ICE WTI settle for Kalshi KXWTI from the public ICE product page only. Sits when the page has rules but no parseable $xx.xx. Never invents an ICE dollar. Does not place Kalshi orders.
https://openclawproductions.com/api/v1/facvsdrift
$0.0300 / call
Live empty-POST JSON shape drift between OpenX402 /verify ({isValid, invalidReason}) and /settle ({success, errorReason, transaction, network, payer}). For agents that treat those endpoints as the same JSON. Never invents a successful settle. Distinct from facdiff.
https://openclawproductions.com/api/v1/sigclass
$0.0300 / call
Classify a failed x402 pay from facilitator error text and EIP-3009 revert strings only. Returns class (expired|not_yet_valid|used_or_canceled|domain_mismatch|decimals_bomb|invalid_payload|other), raw_reason, hint. Never invents a tx hash or a successful pay. Distinct from decscale and settleproof.
https://openclawproductions.com/api/v1/cpisrc
$0.0400 / call
Official BLS CPI-U (CUUR0000SA0) latest observation for Kalshi KXCPI from the public BLS API only. Sits when unread. Never invents an index. Does not place Kalshi orders.
https://openclawproductions.com/api/v1/fedsrc
$0.0400 / call
Official FOMC target-range text for Kalshi KXFED from Federal Reserve Board calendars and linked monetary press only. Sits when calendar-only or no settleable range. Never invents a rate. Does not place Kalshi orders.
https://openclawproductions.com/api/v1/listlag
$0.0200 / call
Diff this origin's paid /.well-known/x402 paths against public x402-list.com service JSON (slug x402-tools-openclaw-productions-diagnostics). Never invents listed=true. Distinct from listcheck.
https://openclawproductions.com/api/v1/gdpsrc
$0.0400 / call
Official BEA real GDP growth for Kalshi KXGDP from the public BEA GDP page and linked release HTML only. Sits when unread. Never invents a growth rate. Does not place Kalshi orders.
https://openclawproductions.com/api/v1/blscap
$0.0200 / call
BLS publicAPI daily-threshold / REQUEST_NOT_PROCESSED capacity sit-gate (CUUR0000SA0 latest). Distinct from cpisrc (value reader). Never invents an index. Sits when unread or threshold-hit.
https://openclawproductions.com/api/v1/rtavg60
$0.0400 / call
Kalshi crypto settlement RULE: simple average of 60 one-second CFB RTI prints (not a spot tick). Sits until a readable official tick stream exists. Never invents a 60s average. Distinct from brtisrc/ethrti number fetchers. Does not place Kalshi orders.
https://openclawproductions.com/api/v1/ethrti
$0.0400 / call
Official CF Benchmarks ETHUSD_RTI print for Kalshi KXETH from the public CF page only. Sits when unread. Never invents an RTI. Never CoinGecko / Yahoo / Binance. Distinct from rtavg60. Does not place Kalshi orders.
https://openclawproductions.com/api/v1/srcph
$0.0300 / call
Detect Kalshi settlement_sources placeholders (name starts with For example, or example.com host) for any series_ticker. placeholder=true always sits. Never invents a print. Does not place Kalshi orders.
https://openclawproductions.com/api/v1/fomcdoor
$0.0300 / call
Next FOMC meeting window for Kalshi KXFED from Federal Reserve Board calendars HTML only — before a target-range exists. Sits when calendar unread. Never invents a funds rate (that is fedsrc). Does not place Kalshi orders.
https://openclawproductions.com/api/v1/joblesssrc
$0.0400 / call
Official DOL weekly UI claims PDF for Kalshi KXJOBLESS (seasonally adjusted initial claims). Sits when unread. Never invents claims. Does not place Kalshi orders.
https://openclawproductions.com/api/v1/retailsrc
$0.0400 / call
Official Census advance monthly retail and food sales for Kalshi KXRETAIL. Census only, never BEA. Distinct from gdpsrc. Sits when unread. Never invents sales or MoM. Does not place Kalshi orders.
https://openclawproductions.com/api/v1/srcagency
$0.0300 / call
Compare Kalshi series settlement_sources against contract-terms PDF Source Agency for any series_ticker. Distinct from srcph (agency mismatch, not placeholder detector). Sits when either side unread. Never invents agency strings. Does not place Kalshi orders.
https://openclawproductions.com/api/v1/x402verify
$0.0400 / call
Fetch a target /.well-known/x402 (or resource URL), confirm an unpaid paid-route returns 402 shape, and extract name/description/purpose/payTo/networks. Never invents listed=true. Distinct from listlag, listcheck, pipecheck, localhosttrap, and srcph.
https://openclawproductions.com/api/v1/listseat
$0.0900 / call
$0.09 = priority ping-verify + a seat on https://openclawproductions.com/verified after you pass. Not auto-list. Pay $0.09 USDC to request or renew a seat on GET /verified. Enqueues a priority ping-verify ahead of unpaid cold crawls. Does not auto-list without a probe pass. Never invents listed=true
https://openclawproductions.com/api/v1/listseat-lite
$0.0500 / call
$0.05 cheaper sibling of List Seat. Enqueues the same priority ping-verify and returns a smaller subset (queued, origin, listed, errors, as_of). Omits contact, sit, and note. Does not auto-list. Never invents listed=true. Distinct from listseat, listlag, listcheck, and agentsubmit.
https://openclawproductions.com/api/v1/listseat-intro
$0.0800 / call
Same priority ping-verify as List Seat. Does not auto-list. Never invents listed=true. Distinct from listseat and listseat-lite.
https://openclawproductions.com/api/v1/agentsubmit
$0.1000 / call
Agents skip the questionnaire and pay $0.10 to submit an x402 endpoint for review. EIP-191 ownership of the live payTo. Enqueues ping-verify. Does not auto-list. Never invents listed=true. Distinct from listseat, basesubmit, claimproof, listedgate, and pipecheck.
https://openclawproductions.com/api/v1/ofacpayto
$0.0500 / call
OFAC SDN XML screen of a payTo (official Treasury SDN + ALT XML). Sits if Publish_Date is stale or unread. Never invents a hit.
https://openclawproductions.com/api/v1/seatgap
$0.0300 / call
Pipe-clear origins with no GET /verified seat. Funnels to List Seat. Never invents listed=true. Distinct from listcheck, listlag, listseat, and x402verify.
https://openclawproductions.com/api/v1/facpick
$0.0400 / call
Recommend or avoid a settle path from accepts[] plus OpenX402 verify/settle shape health. Sits when unread. Never invents a successful settle. Distinct from facdiff and facvsdrift.
https://openclawproductions.com/api/v1/claimproof
$0.0300 / call
Verify ownershipProofs / claimed posture on a target /.well-known/x402. Never invents listed=true or a claimed=true flag. Sits when unread. Distinct from x402verify and listseat.
https://openclawproductions.com/api/v1/edgarwatch
$0.0800 / call
New official SEC 8-K / Form 4 filings since a timestamp across up to five tickers. Sits when unread. Never invents filings. Distinct from edgar (single-ticker cluster).
https://openclawproductions.com/api/v1/acceptbomb
$0.0200 / call
accepts[] decimal bomb scan (DAI 18 vs USDC 6). Sits when the 402 is unread. Never invents decimals. Distinct from decscale (full decode table).
https://openclawproductions.com/api/v1/modelpick
$0.0300 / call
Cheapest public model meeting max_usd / modality / context_min from the OpenRouter models feed. Sits if the price feed is unread. Never invents a price.
https://openclawproductions.com/api/v1/nwsalert
$0.0200 / call
Active NWS alerts at lat/lon (or q via Nominatim). Sits when unread. Never invents an alert. Distinct from geocode and wxsrc.
https://openclawproductions.com/api/v1/basesubmit
$0.0300 / call
Base submit-or-wait plus fee timing from public Base RPC (gasPrice, feeHistory). Sits when RPC is unread. Never invents a fee or a send. Distinct from settleproof.
https://openclawproductions.com/api/v1/taperegime
$0.0400 / call
Risk-on/off regime verdict from public Stooq VIX (plus SPX/BTC prints when present). Sits when VIX is unread. Never invents a regime.
https://openclawproductions.com/api/v1/txpreflight
$0.0400 / call
Pre-sign / pre-pay safety door: public HTTPS, not localhost/tunnel, 402 shape, eip3009 extras. Verdict go/abort/sit. Sits when unread. Never invents a safe pay. Distinct from facpick.
https://openclawproductions.com/api/v1/gridsched
$0.0500 / call
Carbon-aware compute window from public NESO 48h intensity (ISE CO2 sit-if-unread). Sits when NESO is unread. Never invents a window.
How to call
curl -sS -i -X GET https://openclawproductions.com/api/v1/html2md # expect HTTP 402 Payment Required (about 0.004 USDC/call)
https://openclawproductions.com/mcp
Listed in
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