the402 x402 endpoint directory

MCP servers, called rather than listed · we called 16,923 of them · search their tools

Every x402 endpoint we can find, each one called to see what it actually answers and what it quotes. Other directories list what providers claim. This one reports what the endpoint did when we asked it, and says plainly where we could not tell.

Last verified 2026-09-28. We parse the payment challenge, we do not complete a payment.

EndpointStatusPriceNetworkSpecChecked
ostland.halowerk.com v1 bg-soil-texture
USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Na
answers 402 $0.004 base v2 POST 23d ago
suedland.halowerk.com v1 mt-soil-texture
USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Na
answers 402 $0.004 base v2 POST 23d ago
suedland.halowerk.com v1 gr-soil-texture
USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Na
answers 402 $0.004 base v2 POST 23d ago
suedland.halowerk.com v1 it-soil-texture
USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Na
answers 402 $0.004 base v2 POST 23d ago
suedland.halowerk.com v1 pt-soil-texture
USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Na
answers 402 $0.004 base v2 POST 23d ago
suedland.halowerk.com v1 es-soil-texture
USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Na
answers 402 $0.004 base v2 POST 23d ago
mitteleuropa.halowerk.com v1 li-soil-texture
USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Na
answers 402 $0.004 base v2 POST 23d ago
mitteleuropa.halowerk.com v1 cz-soil-texture
USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Na
answers 402 $0.004 base v2 POST 23d ago
mitteleuropa.halowerk.com v1 sk-soil-texture
USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Na
answers 402 $0.004 base v2 POST 23d ago
mitteleuropa.halowerk.com v1 si-soil-texture
USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Na
answers 402 $0.004 base v2 POST 23d ago
mitteleuropa.halowerk.com v1 at-soil-texture
USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Na
answers 402 $0.004 base v2 POST 23d ago
atlantikland.halowerk.com v1 lu-soil-texture
USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Na
answers 402 $0.004 base v2 POST 23d ago
atlantikland.halowerk.com v1 nl-soil-texture
USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Na
answers 402 $0.004 base v2 POST 23d ago
atlantikland.halowerk.com v1 be-soil-texture
USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Na
answers 402 $0.004 base v2 POST 23d ago
atlantikland.halowerk.com v1 fr-soil-texture
USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Na
answers 402 $0.004 base v2 POST 23d ago
atlantikland.halowerk.com v1 ie-soil-texture
USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Na
answers 402 $0.004 base v2 POST 23d ago
baltikum.halowerk.com v1 de-soil-texture
USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Na
answers 402 $0.004 base v2 POST 23d ago
baltikum.halowerk.com v1 pl-soil-texture
USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Na
answers 402 $0.004 base v2 POST 23d ago
baltikum.halowerk.com v1 lt-soil-texture
USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Na
answers 402 $0.004 base v2 POST 23d ago
baltikum.halowerk.com v1 lv-soil-texture
USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Na
answers 402 $0.004 base v2 POST 23d ago
baltikum.halowerk.com v1 ee-soil-texture
USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Na
answers 402 $0.004 base v2 POST 23d ago
nordland.halowerk.com v1 is-soil-texture
USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Na
answers 402 $0.004 base v2 POST 23d ago
nordland.halowerk.com v1 no-soil-texture
USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Na
answers 402 $0.004 base v2 POST 23d ago
nordland.halowerk.com v1 se-soil-texture
USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Na
answers 402 $0.004 base v2 POST 23d ago
nordland.halowerk.com v1 fi-soil-texture
USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Na
answers 402 $0.004 base v2 POST 23d ago
nordland.halowerk.com v1 dk-soil-texture
USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Na
answers 402 $0.004 base v2 POST 23d ago
ostland.halowerk.com v1 cy-soil-coarse-fragments
Mean SoilGrids coarse-fragment volume for the 0-5 cm layer. The coordinate is validated against the Natural Earth boun
answers 402 $0.004 base v2 POST 23d ago
ostland.halowerk.com v1 cy-soil-nitrogen
Mean SoilGrids total nitrogen for the 0-5 cm layer. The coordinate is validated against the Natural Earth boundary for
answers 402 $0.004 base v2 POST 23d ago
ostland.halowerk.com v1 cy-soil-cec
Mean SoilGrids cation exchange capacity for the 0-5 cm layer. The coordinate is validated against the Natural Earth bo
answers 402 $0.004 base v2 POST 23d ago
datetime.openverbs.com v1 day-of-year
Return the ordinal day of the year (1..366), the number of days in that year and whether it is a leap year.
answers 402 $0.004 base v2 POST 23d ago
datetime.openverbs.com v1 easter
Compute the date of Western (Gregorian) Easter Sunday for a year in 1583..9999 using the Anonymous Gregorian computus.
answers 402 $0.004 base v2 POST 23d ago
datetime.openverbs.com v1 iso-week
Return the ISO-8601 week-numbering year, week number (1..53) and weekday (1=Monday..7=Sunday) for a Gregorian date. Th
answers 402 $0.004 base v2 POST 23d ago
datetime.openverbs.com v1 weekday
Return the ISO weekday (1=Monday..7=Sunday) and its name for a Gregorian date.
answers 402 $0.004 base v2 POST 23d ago
datetime.openverbs.com v1 from-jdn
Convert a Julian Day Number back to a proleptic-Gregorian date, with the ISO weekday (1=Monday..7=Sunday) and its name
answers 402 $0.004 base v2 POST 23d ago
datetime.openverbs.com v1 to-jdn
Convert a proleptic-Gregorian calendar date to its Julian Day Number (the integer count of days since JDN 0, 1 January
answers 402 $0.004 base v2 POST 23d ago
similarity.openverbs.com v1 jaccard
Jaccard similarity index in [0,1] — the size of the intersection over the union of the two strings' character-bigram s
answers 402 $0.004 base v2 POST 23d ago
similarity.openverbs.com v1 dice
Sørensen-Dice similarity coefficient in [0,1] over character bigrams — robust to word order and minor edits.
answers 402 $0.004 base v2 POST 23d ago
similarity.openverbs.com v1 jaro
Jaro similarity and the Jaro-Winkler variant (which boosts scores for a shared prefix), both in [0,1]. The prefix boos
answers 402 $0.004 base v2 POST 23d ago
similarity.openverbs.com v1 hamming
Hamming distance — the number of positions at which two EQUAL-LENGTH strings differ — plus a normalized similarity. St
answers 402 $0.004 base v2 POST 23d ago
similarity.openverbs.com v1 damerau
Damerau-Levenshtein distance — like Levenshtein but also counts adjacent transpositions as a single edit — plus a norm
answers 402 $0.004 base v2 POST 23d ago
similarity.openverbs.com v1 levenshtein
Levenshtein edit distance (insertions, deletions, substitutions) between two strings, plus a normalized similarity in
answers 402 $0.004 base v2 POST 23d ago
markt.halowerk.com bridge
Measures how much bridged capital sits on a chain and how that changed. bridged_usd is the sum of canonical and extern
answers 402 $0.004 base v2 POST 23d ago
kette.halowerk.com bridge track
Reads the source transaction on chain, identifies the bridge from the contracts it touched, and reports what actually
answers 402 $0.004 base v2 POST 23d ago
kette.halowerk.com wallet allowances
Reads Approval events of one wallet from the chain, resolves the CURRENT allowance for every token and spender pair wi
answers 402 $0.004 base v2 POST 23d ago
kette.halowerk.com token holders
Reads the holder list of an ERC-20 token from a public block explorer index and reports concentration. Addresses that
answers 402 $0.004 base v2 POST 23d ago
markt.halowerk.com basis
Reads the dated futures of Deribit for BTC or ETH and compares each expiry with a spot price whose source is always na
answers 402 $0.004 base v2 POST 23d ago
kette.halowerk.com contract verification
Checks one address on Ethereum, Base, Arbitrum, Optimism, Polygon or BNB Smart Chain against the open verification reg
answers 402 $0.004 base v2 POST 23d ago
markt.halowerk.com slippage
Takes side, size and size_unit and simulates the fill against the visible book of Binance, Coinbase, Kraken, OKX or By
answers 402 $0.004 base v2 POST 23d ago
markt.halowerk.com liquidations
Reads the liquidation orders OKX publishes for its perpetual swaps, converts every entry into US dollars with the cont
answers 402 $0.004 base v2 POST 23d ago
markt.halowerk.com breadth
Builds the universe from the Binance spot USDT pairs ranked by 24 hour turnover and states that criterion in universe_
answers 402 $0.004 base v2 POST 23d ago
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