the402 x402 endpoint directory

Convert USD to CAD at live rate. Pass ?amount=100 for value in Canadian Dollar. 美元兑换加元换算。米ドルをカナダドルに換算。Convertir dólar

Convert PEPE to USD at live price. Pass ?amount=1 for value in US Dollar. 佩佩币兑换美元换算。ペペを米ドルに換算。Convertir Pepe a dólar.

Live JPY to GBP exchange rate (Japanese Yen / British Pound). Zero-param: GET returns current rate. 日元兑英镑实时汇率。円/ポンド 為替

Convert JPY to EUR at live rate. Pass ?amount=100 for value in Euro. 日元兑换欧元换算。円をユーロに換算。Convertir yen a euro. 엔를 유로로 환전

Convert USD to KRW at live rate. Pass ?amount=100 for value in Korean Won. 美元兑换韩元换算。米ドルをウォンに換算。Convertir dólar a won.

Live NZD to USD exchange rate (New Zealand Dollar / US Dollar). Zero-param: GET returns current rate. 纽元兑美元实时汇率。NZドル/米

Live USD to KRW exchange rate (US Dollar / Korean Won). Zero-param: GET returns current rate. 美元兑韩元实时汇率。米ドル/ウォン 為替レート。

Live USD to JPY exchange rate (US Dollar / Japanese Yen). Zero-param: GET returns current rate. 美元兑日元实时汇率。米ドル/円 為替レート。

Live CNY to USD exchange rate (Chinese Yuan / US Dollar). Zero-param: GET returns current rate. 人民币兑美元实时汇率。人民元/米ドル 為替レ

Convert USD to HKD at live rate. Pass ?amount=100 for value in Hong Kong Dollar. 美元兑换港币换算。米ドルを香港ドルに換算。Convertir dólar

Live XRP to USD price (XRP Ripple / US Dollar). Zero-param: GET returns current price. 瑞波币美元实时价格行情。リップル/米ドル 価格。Precio

Live BTC to USD price (Bitcoin / US Dollar). Zero-param: GET returns current price. 比特币美元实时价格行情。ビットコイン/米ドル 価格。Precio B

Selects supplied official import-document requirements for code and origin. Missing facts are returned as null and nam

Validates EORI syntax and country-prefix consistency without asserting registration status. Missing facts are returned

Filters supplied official export restrictions by destination and commodity-code prefix. Missing facts are returned as

Calculates each group positive-outcome rate, compares it with an explicit or automatically selected reference group, a

Applies a small fixed set of defensive regular-expression categories and returns category names, a bounded risk score

Compares term-frequency cosine similarity between a leading user position and paired independent/conditioned responses

Tokenizes each claim and its supplied evidence, removes a small declared English stop-word list, and reports the fract

Sorts groups by size, then assigns each to the available room that has all required features and minimizes unused capa

Multiplies each mutually exclusive supplied scenario probability by its supplied damage fraction and asset replacement

Calculates floor-area ratio and lot coverage and compares use, height, parking and geometry with an explicit caller-su

Builds parallel passes over an axis-aligned rectangle using supplied swath width and overlap, alternating travel direc

Adds lighting, equipment, people, envelope and ventilation heat flows at one supplied operating point, and converts ev

For each field cell, subtracts measured available nutrient from a supplied target and divides positive deficits by an

Sorts caller-supplied placement opportunities by end time and solves the weighted non-overlapping interval problem exa

Validates frame/channel dimensions, clamps weights to 0–1 and applies exponential smoothing over time in each named ch

Converts caller-supplied MIDI-note sequences to adjacent pitch intervals, forms fixed-length interval n-gram sets and

Slides each caller-supplied spacer over a bounded phage sequence in both orientations, records its minimum Hamming dis

Builds amino-acid k-mer sets, calculates Jaccard similarity, and finds the highest contiguous identity between each su

Compares one guide with caller-supplied candidate protospacers, weights mismatches in the guide’s final ten positions

Checks that a hydrophobic/polar sequence follows a self-avoiding unit-step lattice path, then counts non-consecutive h

Converts ++, +−, −+ and −− counts into a correlation for each of AB, AB′, A′B and A′B′, then computes S = E(AB) + E(AB

Computes all pair distances and a single-parameter Lennard-Jones 12-6 potential using caller-supplied epsilon and sigm

Cancels adjacent identical self-inverse gates on identical ordered targets and folds adjacent RX, RY or RZ rotations o

Compares caller-supplied Alice and Bob bases, retains matching-basis positions, calculates the quantum bit error rate

Sums enhancement_ppm×pixel_area, multiplies by wind speed, plume orientation, and a caller-supplied conversion factor,

Uses da/dt = -rho×sqrt(mu×a)/ballistic_coefficient for a circular orbit, holds density and ballistic coefficient const

Treats cells at or above a caller threshold as foreground, labels four-neighbor connected components, and reports area

Propagates two caller-supplied Cartesian states with constant velocity, analytically finds the clamped time of closest

Propagates a circular two-body orbit from altitude, inclination, RAAN, and initial orbital phase; rotates Earth at a f

Applies caller-supplied rename and numeric scale/offset rules to scalar attributes, optionally retaining unmapped fiel

Counts supplied outcomes, computes Pearson’s chi-square statistic, and estimates an upper-tail p-value with the Wilson

Evaluates caller-supplied telemetry samples against declared reaction-time, actions-per-second, movement-speed, and im

Iterates a deterministic daily stock-flow model with a fixed source, fixed sinks, and percentage-of-current-supply sin

Joins scalar facts by field name and evaluates explicit equals, not-equals, numeric bound, membership, contains, and e

Caps individual contributions when requested, computes each project’s raw quadratic match as (sum sqrt(contribution))²

Scores caller-supplied vote/transfer observations using cohort-relative transfer size, transfer recency, and repeated-

Computes the minimum Euclidean distance from each circular obstacle center to every path segment, then subtracts obsta

Groups caller-supplied scalar field changes by field name, selects the highest version, and reports a conflict when eq