Civic data APIs
APIs (application programming interfaces) allow different software to communicate with each other, and in particular, send, receive, and update data. Open government and civic data APIs are an evolution beyond "open data" in that they allow civic technologists to build interoperable apps, instead of just access bulk downloads of open data.
Curb Data Specification (CDS)
A digital tool that helps cities and companies pilot and scale dynamic curb zones. CDS provides a mechanism for expressing static and dynamic regulations, measuring activity at the curb, and developin...
Mozilla Data Collective
Mozilla Data Collective is rebuilding the AI data ecosystem with communities at the centre. Access over 300 high-quality global datasets, built by and for the community in a transparent and ethical wa...
OpenParliament API
Providing a JSON-based API layer over openparliament.ca’s structured parliamentary data for developers.
Neighborhood API
A minimal, open, stewarded feed format for sharing local events, assets, dreams, plans, and notices across neighborhood websites, tools, and communities.
Protomaps
Protomaps is a free, customizable map of the world, deployable as a single static file on cloud storage.
POPVOX Message Delivery
How to use the POPVOX API to deliver messages to lawmakers
Riksdagens öppna data
Riksdagens öppna data
UK Parliament Members API
An API which retrieves Members data.
LegiScan
LegiScan is a service for tracking state and Congressional legislation in the US. Some notable features include bill tracking, searching and API access to legislative data.
Nonprofit Explorer
Browse millions of annual returns filed by tax-exempt organizations with ProPublica’s Nonprofit Explorer. See details like executive compensation, revenue, expenses and more.
congressMCP
An MCP server allowing AI agents and MCP clients to interface with the Congress.gov API
Humanitarian OpenStreetMap Team (HOT)
HOT is an international team dedicated to humanitarian action and community development through open mapping. They work together to create open map data which revolutionises disaster management by ena...
TheyWorkForYou Votes
Votes in the UK’s Parliaments determine the laws that we all live by, and we want the information about who voted for what to be as accurate, easy to use and easy to understand as possible.
OpenCouncil
Demystify local government and enable citizen participation
Polis Pilot Netherlands
Developing an API and localized version of Pol.is for the Netherlands. De provincie Zuid-Holland, de provincie Brabant, de provincie Groningen en het Overlegorgaan Fysieke Leefomgeving (onderdeel van...
law-diff
legal comparison table
Querido Diário
Diários oficiais dos municípios brasileiros em formato aberto para a livre consulta da sociedade civil.
Democracy Club Candidates
Open candidate information for UK elections covering all 2,015 areas
The Planning London Datahub
The Planning DataHub is a collaborative project between all of the Planning Authorities in London to build a single open data set of development proposals in the planning process to enable monitoring...
Every Election
UK elections database with every district council level election and above
MapIt
The easy way to match points to boundaries
Murmurations
Making movements visible
morph.io
Take the hassle out of web scraping
El Explorador de Gobierto Contratación
El Explorador de Gobierto Contratación reune la información de la Plataforma de Contratación del Estado y de las principales plataformas autonómicas y te permite explotar los datos.
API Vilnius
The portal is designed not only for IT specialists who want to create projects using open-source code but also for residents who want to make important personal life decisions based on sound statistic...
OpenGrants API
OpenGrants delivers a best-in-class database of grant funding and a marketplace of grant writers, consultants and technical assistance providers. Integrate the power of OpenGrants into your product us...
LibreBOR
Tu fuente de información mercantil en Internet
Platformable
Platformable supports the development of open ecosystems
Google Civic Information API
The Civic Information API allows you to build applications that allow citizens and voters to know about their political representation and voting locations.
Breezometer
Check out the world leading Air Pollution API.
Democracy Works Elections API
Our full-time research team maintains a detailed calendar of upcoming state, special, and local elections, which we release as our Elections API.
Benefit Kitchen
Every year 103 million Americans leave $80 billion in benefits unclaimed. We help inform consumers so they receive the benefits they’ve earned.
NYC Benefits Screening API
Create modern web applications that evaluate household data against eligibility rules for 31 different City, State, and Federal benefits programs (including SNAP, Cash Assistance, WIC, HEAP, and more)...
Popit
Popit database and API service that helps you make and maintain information about politicians, politically exposed persons (PEPs) and their memberships in organizations and generates Popolo standard c...