Public data
Government, reference and community datasets. Anonymous access does not imply unrestricted licensing or unlimited requests.
Services are ordered by documented operations, attributed reports and current documentation. 147 services are classified here. Each card shows the interfaces a service offers; open it for access requirements and sources.
Categories · Tasks · Interfaces · How listings are checked
World Monitor
World Monitor provides real-time global intelligence over MCP, including a catalog describing its upstream data providers and public source identities.
Research and knowledge · news · Public data · mcp
MCP · Access documentation verifiedHave I Been Pwned
Search data breaches and compromised passwords via a RESTful API.
Developer tools · Public data
API · Access documentation verifieddata.gov.sg
Singapore government open-data portal with APIs for public datasets and real-time environmental readings.
Public data · environmental data
API · Access documentation verifiedSEC EDGAR
U.S. Securities and Exchange Commission EDGAR data APIs for company filing history and XBRL financial statement data.
Public data · Finance and economic data
API · Documentation checked: 2026-10-09Govera
Public read-only API for Govera product information and capabilities.
software · Public data
API · Access documentation verifiedSignalWire
SignalWire provides communications APIs and a Datasphere document API for listing documents in a project’s knowledge workspace.
Communications · Developer tools · Public data
API · Access documentation verifiedAirFreightPrice.com
AirFreightPrice.com publishes air-freight route, airport, carrier, rate-reference and shipping-guide content, with a public MCP interface for read-only lookups.
logistics · transportation · Public data · Developer tools
MCP · Access documentation verifiedBigOven
Recipe API for searching a large recipe catalog and retrieving recipe data.
Health and food reference data · Public data
API · Access documentation verifiedWolfram|Alpha
Wolfram|Alpha computes answers to natural-language questions and provides an LLM API for model-ready results.
Public data · ai-ml
API · Access documentation verifiedAgify
Name-based age prediction API.
demographics · Public data
API · Access documentation verifiedAPI Ninjas
API platform providing REST APIs for finance, AI, text processing, and other categories.
Developer tools · Public data
API · Access documentation verifiedEtherscan
Etherscan is an Ethereum and EVM-chain block explorer with API V2 endpoints for reading native-token balances and other blockchain data.
blockchain · Developer tools · Public data
API · Access documentation verifiedTwenty-One Million
Twenty-One Million is an educational Bitcoin website with a public JSON Bitcoin halving API that calculates the halving era, block subsidy, and blocks until the next halving from a supplied block height.
Developer tools · bitcoin · Public data
API · Access documentation verifiedHelius
Helius provides Solana RPC and digital asset standard APIs, including getAsset to retrieve detailed NFT, compressed NFT, or token information.
blockchain · Developer tools · Public data
API · Access documentation verifiedWeatherAPI.com
Weather and geolocation data API with real-time conditions, forecasts, history, and location lookup.
Weather and climate · geolocation · Public data
API · Access documentation verifiedMixedbread
Mixedbread’s API can return the stores in an organization, with optional search and pagination.
Developer tools · Public data
API · Access documentation verifiedBINTable
Look up the scheme, card type, category, issuing bank and country for a card BIN using its leading digits.
Public data · Finance and economic data
API · Access documentation verifiedClicheFactory
Document extraction service that returns schema-validated structured JSON from supported uploaded files.
Developer tools · document processing · Public data
API · Access documentation verifiedU.S. Energy Information Administration
The EIA Open Data API provides programmatic access to energy information, including electricity retail-sales data.
Public data
API · Access documentation verifiedAeon
Read-only JSON API for recent public filings on insider trades, major holdings, Congress and White House trades, and federal contracts.
Finance and economic data · Public data · Developer tools
API · Access documentation verifiedIPWHOIS.IO
IPWHOIS.IO provides an IP intelligence API for geolocation, network, timezone, currency, and threat data.
geolocation · Public data
API · Access documentation verifiedAirparser
Airparser extracts structured data from documents through document parsers and a REST API.
Public data · Productivity and collaboration · Developer tools
API · Access documentation verifiedAPI · Access documentation verifiedThe Graph
A decentralized indexing network whose GraphQL gateway lets applications query indexed blockchain data from Subgraphs.
blockchain · Public data · Developer tools
API · Access documentation verifiedCompanies House API
UK Companies House REST API for company profiles, officers, filings and search over the public register.
Public data · Finance and economic data
API · Access documentation verified