the402 x402 endpoint directory

Fetch any public web page and return clean main content as JSON: title, author, publish date, hostname, excerpt, full

Decode a GS1 element string (POST body { data }).

US mortality statistics from CDC NCHS. dataset=leading-causes (default): annual deaths + age-adjusted death rate per 1

Checks vouchers of a payment channel by computation only - nothing is ever claimed, redeemed or refunded. Signatures a

Derives behaviour classes from on-chain activity: share of swaps, regularity of intervals, hour-of-day spread, counter

Reads the holders of an LP token and splits them into burned, locked in a named locker, and free. Burned and locked ar

Reads token balances of one wallet on several chains from a public index and the native balance from the node itself.

Reads the public x402 Bazaar catalogue and finds offers comparable to yours, either from a resource_url whose 402 chal

Upgradeability alone is not a finding — every serious protocol is upgradeable. The finding is who holds the key and ho

Takes chain, token pair, input amount and slippage tolerance, finds the pool the trade would most likely use and reads

Resolves pool, price oracle and data provider through the protocol address provider rather than hard-coded addresses,

Walks the visible book of every requested exchange for the given size, in both directions, and works out what remains

Resolves a pool in a public yield directory by chain, protocol and pool id or symbol, then rebuilds the number a buyer

Read a picture, a scan or a screenshot: full text in reading order, typed blocks with their box on the page, tables as

Unified scientific literature search across arXiv (preprints), PubMed (biomedical), and Semantic Scholar (cross-field,

Real-time water data from USGS NWIS stream / river / groundwater gauges within a bounding box around lat/lon. Returns

Validazione ufficiale in tempo reale di una Partita IVA europea tramite il registro VIES della Commissione Europea. Us

Google Maps search - returns map listings with titles, addresses, latitude/longitude coordinates, ratings, review coun

For one DailyMed SET ID: the current label version and date, its products with active ingredients and package descript

Converts to FLAC, WAV at 16 or 24 bit, MP3, Opus or AAC, with sample rate, channel count and quality all settable and

Measures how well an area is equipped for cycling from four things that can actually be counted. Separation from motor

Looks at every AS path observed for a prefix and reports the ones that do not fit. Four patterns are checked. A path l

Collects the observable signs of a route hijack for one prefix and reports which of them are present, with the measure

Generates the typical misspellings of a package name and looks up every one of them in the registry. Generation rather

Collects the physical and legal restrictions recorded in OpenStreetMap within a corridor around the straight line betw

Searches global news coverage for protest, conflict and diplomatic activity in a region and returns the reporting with

Computes the growth of coverage for a topic between a recent window and a baseline, and reports the spread across lang

A monitor with memory over food products. The first call stores a snapshot and says so rather than reporting everythin

Returns the geographic places named in coverage of a topic, each with the number of articles mentioning it, the number

Returns the dates Cellar records for a legal act, each labelled with what it actually means. Entry into force is when

For a base act, returns the consolidated versions the Publications Office has produced, each with its cut-off date and

Takes any identifier for an EU legal act and returns the others, along with the available language versions and format

Assembles all names associated with one taxon into a graph with the accepted name at the centre and every synonym, bas

Assesses the recorded biodiversity of an area around a point: how many distinct species appear, how many records suppo

Resolves a gene symbol or identifier and returns the corresponding identifiers across NCBI and Ensembl: the gene with

Returns the hazard profile of a chemical: GHS pictograms, signal word, hazard statements and precautionary statements

A monitor with memory over registered trials. The first call stores a snapshot and returns the baseline explicitly mar

Retrieves the eligibility section of a registered trial and separates it into inclusion and exclusion criteria as indi

Searches the clinical trial registry and returns matching studies with the fields that decide whether a trial is relev

Aggregates medical device reports for a product code, device name or manufacturer into a trend: reports per year, the

Summarises adverse event reports for a drug: the most frequently reported reactions, the distribution of serious outco

Resolves two products to their RxNorm concepts and compares what the register declares about each: the active ingredie

Returns the sections of an official drug label sorted by clinical significance rather than document order, with the te

Returns the outstanding cross-border positions of banks located in a reporting country against counterparties in anoth

Returns the residential property price index for a country in both nominal and inflation-adjusted form, with growth ra

Reports the credit-to-GDP gap for a country, which is the deviation of the credit ratio from its long-run trend and th

Combines the general government debt ratio, the budget balance, nominal GDP growth and the long-term government bond y

Returns the main trading partners of a country for exports and imports, each with its share, and the concentration of

Builds a demographic demand profile and shows its work. Population level and growth, the shares aged under fifteen and

Returns annual gross earnings and hourly labour costs per country, in national currency or euro and in purchasing powe