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Real-Time Rail Predictions — rail-realtime (wmata.com) ↗

OpenAPI-specified service (wmata.com:rail-realtime, version 1.0): Real-time rail prediction methods.

Real-time TAN API (EU Open Data · France) ↗

European open dataset/API (France): This API proposed by Semitan allows to perform the operations: — List stops (close or not) — Get waiting time at a stop zone — Pick up schedules at a stop The return format is JSON. This same API is used by the official TAN mobile app (download free for iPhone and Android).

Realtime Sports ↗

Live scores, play-by-play, schedules and odds for NFL, NBA, MLB, NHL, NCAA and soccer

HTTPS: Yes · CORS: Yes

RealUptime ↗

Manage uptime monitors, heartbeat checks, incidents and status pages with an API key

HTTPS: Yes · CORS: No

Reasonbook (ai.aquex/reasonbook MCP Server) ↗

MCP server (ai.aquex/reasonbook v4.0.0): Reasonbook: decisions that survive the session, in a local record AI agents keep.

Rebilly REST API ↗

OpenAPI-specified web service (rebilly.com, version 2.1): # Introduction The Rebilly API is built on HTTP. Our API is RESTful. It has predictable resource URLs. It returns HTTP response codes to indicate errors. It also accepts and returns JSON in the HTTP body. You can use your favorite HTTP/REST library for your programming language to use Rebilly's API, or you can use one

Rebrandly ↗

Custom URL shortener for sharing branded links

HTTPS: Yes

reCAPTCHA Enterprise API — recaptchaenterprise (googleapis.com) ↗

OpenAPI-specified service (googleapis.com:recaptchaenterprise, version v1): Help protect your website from fraudulent activity, spam, and abuse without creating friction.

Recent news from city.gent (EU Open Data · Belgium) ↗

European open dataset/API (Belgium): Check out the latest 20 news items from the city.gent website This dataset shows the twenty most recently published news items on the city.gent website. These info pages are immediately published on the website as linked open data. There, the open data platform also retrieves these modified pages immediately by queryin

Recently changed info pages city.gent (EU Open Data · Belgium) ↗

European open dataset/API (Belgium): Consult the 20 most recently modified info pages of the city.gent website This dataset shows the twenty most recently modified pages on the city.gent website. These info pages are immediately published on the website as linked open data. There, the open data platform also retrieves these modified pages immediately by q

Recently published info pages city.gent (EU Open Data · Belgium) ↗

European open dataset/API (Belgium): Consult the 20 most recently published info pages of the city.gent website This dataset shows the twenty most recently published pages on the city.gent website. These info pages are immediately published on the website as linked open data. There, the open data platform also retrieves these modified pages immediately by

Rechtskundige diensten; arbeid en financiën, 1996 (Overheid Open Data) ↗

Dutch public-sector open dataset and API ("Rechtskundige diensten; arbeid en financiën, 1996") registered in the national data.overheid.nl catalog. Original Dutch description: Rechtkundige diensten naar grootteklasse; ondernemingen, resultaten - rekening, investeringen in materiële vaste activa, werkzame personen 1996 Gewijzigd op 18 december 2001. Verschijningsfrequentie: Stopgezet.

Rechtspraak.nl Open Data API ↗

Web service of the Dutch Judiciary for searching and retrieving court rulings and opinions indexed by ECLI identifier.

RecipeAPI ↗

Recipes, ingredients, nutrition data and cooking instructions

HTTPS: Yes · CORS: Yes

Recommendation API — sell-recommendation (ebay.com) ↗

OpenAPI-specified service (ebay.com:sell-recommendation, version 1.1.0): The Recommendation API returns information that sellers can use to optimize the configuration of their listings on eBay. Currently, the API contains a single method, findListingRecommendations . This method provides information that sellers can use to configure Promoted Listings ad campaigns to maximize the visibility

Recommendations AI (Beta) — recommendationengine (googleapis.com) ↗

OpenAPI-specified service (googleapis.com:recommendationengine, version v1beta1): Note that we now highly recommend new customers to use Retail API, which incorporates the GA version of the Recommendations AI funtionalities. To enable Retail API, please visit https://console.cloud.google.com/apis/library/retail.googleapis.com. The Recommendations AI service enables customers to build end-to-end pers

Recreation Information Database ↗

Recreational areas, federal lands, historic sites, museums, and other attractions/resources(US)

HTTPS: Yes

Redact API (nexmo.com) ↗

OpenAPI-specified service (nexmo.com:redact, version 1.0.6): The Redact API helps organisations meet their privacy compliance obligations. It provides controlled, on-demand redaction of private information from transactional records in the long-term storage. Note, Redact API does not have the capability to redact the short-lived server logs that are retained for a few weeks. For

Redash ↗

Access your queries and dashboards on Redash

HTTPS: Yes · CORS: Yes

Reddit ↗

Homepage of the internet

HTTPS: Yes

RedditAPIs ↗

Reddit data API: subreddit listings, post/comment/community/user search, comment trees, top posts

HTTPS: Yes

redirection.io ↗

OpenAPI-specified web service (redirection.io, version 1.1.0): API documentation for redirection.io

RedirHub ↗

URL redirect management with custom domains, HTTPS, analytics, and REST API

HTTPS: Yes · CORS: Yes

RedisManagementClient (azure.com) ↗

OpenAPI-specified service (azure.com:redis, version 2018-03-01): REST API for Azure Redis Cache Service.

Redoxriscio (Overheid Open Data) ↗

Dutch public-sector open dataset and API ("Redoxriscio") registered in the national data.overheid.nl catalog. Original Dutch description: Open bodemenergiesystemen - Redoxrisico

Redshift Data API Service — redshift-data (amazonaws.com) ↗

OpenAPI-specified service (amazonaws.com:redshift-data, version 2019-12-20): You can use the Amazon Redshift Data API to run queries on Amazon Redshift tables. You can run SQL statements, which are committed if the statement succeeds. For more information about the Amazon Redshift Data API and CLI usage examples, see Using the Amazon Redshift Data API in the Amazon Redshift Management Guide .

Reed ↗

Job board aggregator

HTTPS: Yes

Refnusa ↗

Indonesian holidays, wages, regions, postal codes, tax, food prices and NIK/plate checks (31 tools)

REFUGE Restrooms ↗

Provides safe restroom access for transgender, intersex and gender nonconforming individuals

HTTPS: Yes

Refuge Restrooms API (refugerestrooms.org) ↗

OpenAPI-specified web service (refugerestrooms.org, version 0.0.1): REFUGE is a web application that seeks to provide safe restroom access for transgender, intersex, and gender nonconforming individuals.

REG-Vault ↗

REG-Vault (Games & Comics): Retro-gaming metadata catalog — 91k games across 99 systems (box art, manuals, screenshots, gameplay previews). MCP endpoint at `api.regvault.org/mcp`

Regional accounts; fixed capital formation (Overheid Open Data) ↗

Dutch public-sector open dataset and API ("Regional accounts; fixed capital formation") registered in the national data.overheid.nl catalog. Original Dutch description: Total fixed capital formation (gross), fixed capital formation (gross) by industry, by type of capital good by region 1995 - 2008 Changed on March 14 2012. Frequency: Discontinued.

Regional Concession Fees (TCR) (EU Open Data · Italy) ↗

European open dataset/API (Italy): Taxes on regional concessions shall apply to acts and measures adopted by the Region in the performance of its duties or by bodies delegated by it.

Regional economic growth 1996-2001 (Overheid Open Data) ↗

Dutch public-sector open dataset and API ("Regional economic growth 1996-2001") registered in the national data.overheid.nl catalog. Original Dutch description: Volume, deflator; SIC'93, by region, COROP area, province and part of the country 1996 - 2001 Changed on July 27 2006. Frequency: Discontinued.

Regional economic growth 2002-2006 (Overheid Open Data) ↗

Dutch public-sector open dataset and API ("Regional economic growth 2002-2006") registered in the national data.overheid.nl catalog. Original Dutch description: Volume, deflator SIC'93, by region, COROP area, province and part of the country 2002 - 2006 Changed on March 25 2008. Frequency: Discontinued.

Regional household accounts 1995 - 2001 (Overheid Open Data) ↗

Dutch public-sector open dataset and API ("Regional household accounts 1995 - 2001") registered in the national data.overheid.nl catalog. Original Dutch description: Transactions in mln. euro, transactions per capita and transactions per household 1995 - 2001 Changed on May 17 2006. Frequency: Discontinued.

Regional production structure by SIC'93 (Overheid Open Data) ↗

Dutch public-sector open dataset and API ("Regional production structure by SIC'93") registered in the national data.overheid.nl catalog. Original Dutch description: Production, intermediate consumption, value added, taxes, compensation of employees, operating surplus and labour input of employees by region 1995 - 2001 Changed on March 22 2006. Frequency: Discontinued.

Regional state of conservation of species in Brittany (EU Open Data · France) ↗

European open dataset/API (France): The assessment of the regional conservation status of a species differs from the two other regional assessments that are the risk of extinction (red lists) and the responsibility of Brittany. Indeed, the assessment of the conservation status positions the current state of health of a species with a reference situation.

Regionale Inkomensverdeling, tijdreeks 1946 - 1994 (Overheid Open Data) ↗

Dutch public-sector open dataset and API ("Regionale Inkomensverdeling, tijdreeks 1946 - 1994") registered in the national data.overheid.nl catalog. Original Dutch description: Gemiddeld inkomen; verdeling van de inkomenstrekkers gemeentelijke en regionale indeling van 1 - 1- 1997 1946- 1994 Gewijzigd op 03 december 2001. Verschijningsfrequentie: Eenmalig.

Regionale wandelnetwerken (Overheid Open Data) ↗

Dutch public-sector open dataset and API ("Regionale wandelnetwerken") registered in the national data.overheid.nl catalog. Original Dutch description: Bestaande wandelnetwerken en -knooppunten van regionale wandelnetwerken. Samengesteld uit brondata van wandelnetwerkregio's en geaggregeerd tot een consistent landelijk bestand.

Register of hops and hop operators - as at 31.12.2021 (EU Open Data · Slovakia) ↗

European open dataset/API (Slovakia): keeping and annual updating of the Register of Orchards and Hops in accordance with Act No 597/2006 on the competence of state administration bodies in the field of registration of varieties of cultivated plants and marketing of propagating material of cultivated plants, as amended by Act No 467/2008.

Register of hops and hop operators (EU Open Data · Slovakia) ↗

European open dataset/API (Slovakia): keeping and annual updating of the Register of Orchards and Hops in accordance with Act No 597/2006 on the competence of state administration bodies in the field of registration of varieties of cultivated plants and marketing of propagating material of cultivated plants, as amended by Act No 467/2008.

Register of hops and hop operators as at 31.12.2020 (EU Open Data · Slovakia) ↗

European open dataset/API (Slovakia): keeping and annual updating of the Register of Orchards and Hops in accordance with Act No 597/2006 on the competence of state administration bodies in the field of registration of varieties of cultivated plants and marketing of propagating material of cultivated plants, as amended by Act No 467/2008.

Register van Overheidsorganisaties (Overheid Open Data) ↗

Dutch public-sector open dataset and API ("Register van Overheidsorganisaties") registered in the national data.overheid.nl catalog. Original Dutch description: Bevat de adres- en contactgegevens van alle Nederlandse overheidsorganisaties (o.a. ministeries, gemeenten, provincies en waterschappen). Ook andere informatie zoals functies en medewerkers, websites, classificaties en identificaties maken onderdeel uit van de dataset. De informatie wordt ontsloten door de API Overheid

Registered POS (REST-WMS) (EU Open Data · Italy) ↗

European open dataset/API (Italy): POS in Register: map Service REST — WMS

RegisterWire ↗

Real-time alerts on UK company register changes

HTTPS: Yes · CORS: No

Registrum ↗

UK company data: profiles, directors, PSC, iXBRL-parsed financials, ECCTA status

HTTPS: Yes · CORS: No

Regression analysis api (scideas.net) ↗

OpenAPI-specified service (scideas.net:regression, version 1.0): This data processing api uses regression analysis to allow you to find out which contributing variables have the most effect on an outcome. For example does buyer location or price most effect sales ?

RegSentry ↗

Inspect authorized static tracking signals and review supplied consent evidence

Regulations.gov ↗

US federal rulemaking comments and dockets

HTTPS: Yes