the402 x402 endpoint directory

The 15-digit census block FIPS code containing a US coordinate, with its county and state codes and the block bounding

Resolve a DOI to bibliographic metadata: title, authors, journal, dates, abstract, licence, funders and citation count

Decodes a VIN into make, model, model year, trim, body class, engine, drivetrain and assembly plant using the NHTSA vP

Full nutrition facts for one FoodData Central item: every reported nutrient with its amount and unit, plus serving siz

Validate an EU VAT number against the European Commission VIES registry, returning validity and the registered trader

Converts an amount between currencies at the European Central Bank daily reference rate, for the latest publication or

The current authoritative text of a Code of Federal Regulations section, as plain text with its heading and citation.

Resolves a stock ticker to the SEC central index key and registered company name.

Estimate CO2e for fuel burned, electricity used, freight moved or a trip taken, using published US EPA emission factor

Answer whether one date is a public holiday in one country, with its name, regional scope and the next holiday that ye

Geocode a US street address and return the matched address, coordinates, and its Census tract, county and state codes

Current or forecast carbon intensity of the GB electricity grid in gCO2/kWh, with the generation fuel mix.

Resolve DNS records of any common type over DoH, returning answers with TTLs and the DNSSEC-authenticated flag.

Validate an ISO 17442 Legal Entity Identifier checksum and extract its issuing LOU prefix.

UTC sunrise, sunset, solar noon and day length for a date and coordinate, including polar day/night.

Convert an instant between IANA timezones, returning the local wall time, UTC offset and DST state.

Every public holiday for a country and year, with local and English names and observance scope.

Ground elevation in meters and feet at a coordinate, from the USGS 3DEP dataset.

Convert latitude/longitude to the containing US street address, census tract and county. US coverage only.

Convert a US street address to latitude/longitude with a matched, standardized address. US coverage only.

GPT-5.6 Luna — fast, low-cost frontier model (Artificial Analysis Intelligence Index 51.2, GPQA Diamond 91.1%). Best f

Curated reading list on Music for tutoring agents, quiz generators, and reading apps — 494 public-domain books (e.g. M

Get current weather and forecast for a location

Convert a value between measurement units

Convert a datetime between timezones

Generate a color palette from a base hex color

Generate unique identifiers

Parse a user agent string into structured data

Test a regex pattern against input strings

Convert markdown text to HTML

Generate Lorem Ipsum placeholder text

Decode a JWT token without signature verification

Convert HTML to markdown

Parse CSV text to JSON array

Generate a cron expression from natural language

Encode or decode base64 data

Generate a barcode from text or number

Priority fee estimates for Solana transactions

UOS Genesis machine utility: csv_to_json

01Mind listing: dyn-baf663b065a63397

01Mind listing: dyn-45c4dd28f5d640af

Curated reading list on Murder -- Investigation -- Fiction for tutoring agents, quiz generators, and reading apps — 15

Curated reading list on Man-woman relationships -- Fiction for tutoring agents, quiz generators, and reading apps — 90

Curated shelf: Private investigators -- England -- Fiction — 13 public-domain books including The Adventures of Sherlo

Curated reading list on Encyclopedias and dictionaries for tutoring agents, quiz generators, and reading apps — 149 pu

Curated reading list on English poetry for tutoring agents, quiz generators, and reading apps — 211 public-domain book

Curated reading list on Children's Fiction for tutoring agents, quiz generators, and reading apps — 334 public-domain

Curated reading list on American wit and humor for tutoring agents, quiz generators, and reading apps — 133 public-dom

Curated reading list on Travel for tutoring agents, quiz generators, and reading apps — 158 public-domain books (e.g.

Curated reading list on N for tutoring agents, quiz generators, and reading apps — 187 public-domain books (e.g. Lives