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
netintel.dev prediction market
Full detail for ONE Polymarket prediction market by id or slug — question, description, every outcome with its current
answers 402 $0.003 base v2 GET 22d ago
netintel.dev whois-rdap lookup
WHOIS domain lookup via RDAP — registrar, creation/expiry/updated dates, nameservers, and status flags from the author
answers 402 $0.003 base v2 GET 22d ago
ostland.halowerk.com v1 cy-water-wetland-share
Combined share of permanent water, herbaceous wetland and mangrove classes. The coordinate is validated against the Na
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 cy-built-up-share
Share of ESA WorldCover 2021 pixels classified as built-up. The coordinate is validated against the Natural Earth boun
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 cy-tree-cover-share
Share of ESA WorldCover 2021 pixels classified as tree cover. The coordinate is validated against the Natural Earth bo
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 cy-grassland-share
Share of ESA WorldCover 2021 pixels classified as grassland. The coordinate is validated against the Natural Earth bou
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 cy-cropland-share
Share of ESA WorldCover 2021 pixels classified as cropland. The coordinate is validated against the Natural Earth boun
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 cy-landcover-class
Dominant ESA WorldCover 2021 class in the analysis area. The coordinate is validated against the Natural Earth boundar
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 cy-drainage-tendency
Relative runoff tendency derived from slope and ruggedness. The coordinate is validated against the Natural Earth boun
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 cy-solar-orientation
South-facing slope orientation index derived from aspect and slope. The coordinate is validated against the Natural Ea
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 cy-depression-depth
Positive difference between the neighborhood mean and center elevation. The coordinate is validated against the Natura
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 cy-local-relief
Difference between maximum and minimum sampled surface elevation. The coordinate is validated against the Natural Eart
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 cy-ruggedness
Standard deviation of sampled surface elevations. The coordinate is validated against the Natural Earth boundary for C
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 cy-aspect
Circular direction of the dominant surface gradient, clockwise from north. The coordinate is validated against the Nat
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 cy-max-slope
Maximum adjacent-cell surface gradient across the analysis grid. The coordinate is validated against the Natural Earth
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 cy-mean-slope
Mean first-order surface gradient across the analysis grid. The coordinate is validated against the Natural Earth boun
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 cy-elevation
Bilinear surface elevation from Copernicus DEM GLO-30. The coordinate is validated against the Natural Earth boundary
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hr-water-wetland-share
Combined share of permanent water, herbaceous wetland and mangrove classes. The coordinate is validated against the Na
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hr-built-up-share
Share of ESA WorldCover 2021 pixels classified as built-up. The coordinate is validated against the Natural Earth boun
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hr-tree-cover-share
Share of ESA WorldCover 2021 pixels classified as tree cover. The coordinate is validated against the Natural Earth bo
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hr-grassland-share
Share of ESA WorldCover 2021 pixels classified as grassland. The coordinate is validated against the Natural Earth bou
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hr-cropland-share
Share of ESA WorldCover 2021 pixels classified as cropland. The coordinate is validated against the Natural Earth boun
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hr-landcover-class
Dominant ESA WorldCover 2021 class in the analysis area. The coordinate is validated against the Natural Earth boundar
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hr-drainage-tendency
Relative runoff tendency derived from slope and ruggedness. The coordinate is validated against the Natural Earth boun
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hr-solar-orientation
South-facing slope orientation index derived from aspect and slope. The coordinate is validated against the Natural Ea
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hr-depression-depth
Positive difference between the neighborhood mean and center elevation. The coordinate is validated against the Natura
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hr-local-relief
Difference between maximum and minimum sampled surface elevation. The coordinate is validated against the Natural Eart
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hr-ruggedness
Standard deviation of sampled surface elevations. The coordinate is validated against the Natural Earth boundary for C
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hr-aspect
Circular direction of the dominant surface gradient, clockwise from north. The coordinate is validated against the Nat
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hr-max-slope
Maximum adjacent-cell surface gradient across the analysis grid. The coordinate is validated against the Natural Earth
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hr-mean-slope
Mean first-order surface gradient across the analysis grid. The coordinate is validated against the Natural Earth boun
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hr-elevation
Bilinear surface elevation from Copernicus DEM GLO-30. The coordinate is validated against the Natural Earth boundary
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hu-water-wetland-share
Combined share of permanent water, herbaceous wetland and mangrove classes. The coordinate is validated against the Na
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hu-built-up-share
Share of ESA WorldCover 2021 pixels classified as built-up. The coordinate is validated against the Natural Earth boun
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hu-tree-cover-share
Share of ESA WorldCover 2021 pixels classified as tree cover. The coordinate is validated against the Natural Earth bo
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hu-grassland-share
Share of ESA WorldCover 2021 pixels classified as grassland. The coordinate is validated against the Natural Earth bou
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hu-cropland-share
Share of ESA WorldCover 2021 pixels classified as cropland. The coordinate is validated against the Natural Earth boun
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hu-landcover-class
Dominant ESA WorldCover 2021 class in the analysis area. The coordinate is validated against the Natural Earth boundar
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hu-drainage-tendency
Relative runoff tendency derived from slope and ruggedness. The coordinate is validated against the Natural Earth boun
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hu-solar-orientation
South-facing slope orientation index derived from aspect and slope. The coordinate is validated against the Natural Ea
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hu-depression-depth
Positive difference between the neighborhood mean and center elevation. The coordinate is validated against the Natura
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hu-local-relief
Difference between maximum and minimum sampled surface elevation. The coordinate is validated against the Natural Eart
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hu-ruggedness
Standard deviation of sampled surface elevations. The coordinate is validated against the Natural Earth boundary for H
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hu-aspect
Circular direction of the dominant surface gradient, clockwise from north. The coordinate is validated against the Nat
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hu-max-slope
Maximum adjacent-cell surface gradient across the analysis grid. The coordinate is validated against the Natural Earth
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hu-mean-slope
Mean first-order surface gradient across the analysis grid. The coordinate is validated against the Natural Earth boun
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 hu-elevation
Bilinear surface elevation from Copernicus DEM GLO-30. The coordinate is validated against the Natural Earth boundary
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 ro-water-wetland-share
Combined share of permanent water, herbaceous wetland and mangrove classes. The coordinate is validated against the Na
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 ro-built-up-share
Share of ESA WorldCover 2021 pixels classified as built-up. The coordinate is validated against the Natural Earth boun
answers 402 $0.003 base v2 POST 22d ago
ostland.halowerk.com v1 ro-tree-cover-share
Share of ESA WorldCover 2021 pixels classified as tree cover. The coordinate is validated against the Natural Earth bo
answers 402 $0.003 base v2 POST 22d ago
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