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ENTRY
AUTH
SPEC
STATUS
Royalmail ChannelShipper & Royal Mail Public API
Import your orders, retrieve your orders and generate labels.
unknown
swagger 2.0
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RPS 101
Rock, Paper, Scissors with 101 objects
unknown
not published
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RSS feed to JSON
Returns RSS feed in JSON format using feed URL
unknown
not published
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Rumble API (deprecated)
Rumble Network Discovery is now runZero. Read the announcement. This API is frozen and no longer being updated as of version 2.15.0.
http-auth
openapi 3.0
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RunConvert
Convert video, audio, image, and document files programmatically
api-key
not published
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RuneScape
RuneScape and OSRS RPGs information
unknown
not published
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Runscope API
Manage Runscope programmatically.
oauth2
swagger 2.0
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Runyankole Bible
Free REST API for the Runyankore-Rukiga Bible — 66 books, 31106 verses
none
not published
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Russian Calendar
Check if a date is a Russian holiday or not
unknown
not published
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Rustybeer
Beer brewing tools
unknown
not published
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Rwanda Locations
Rwanda Provences, Districts, Cities, Capital City, Sector, cells, villages and streets
unknown
not published
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Sabre for Developers
Travel Search - Limited usage
unknown
not published
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Sage Intacct REST API (2026 R1)
Provides REST endpoints for accounting operations, customer account health, and recurring bills.
unknown
not published
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Saidit
Open Source Reddit Clone
unknown
not published
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Sakari
Introduction Welcome to the documentation for the Sakari Messaging REST API. Sakari provides an advanced platform to drive large scale customized SMS communication REST is a web-service protocol that lends itself to rap
oauth2
openapi 3.0
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Sakura CardCaptor
Sakura CardCaptor Cards Information
unknown
not published
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Salesforce REST API
Official developer guide reference for integrating with Salesforce via REST API.
unknown
not published
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SalesLoft Platform
SalesLoft helps transform sales teams into modern sales organizations - converting more target accounts into customer accounts
oauth2
openapi 3.0
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SavePage.io
A free, RESTful API used to screenshot any desktop, or mobile website
api-key
not published
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SAWO Labs
Simplify login and improve user experience by integrating passwordless authentication in your app
unknown
not published
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Scanii
Simple REST API that can scan submitted documents/files for the presence of threats
unknown
not published
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Schiphol Airport
Schiphol
unknown
not published
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SchoolDigger API V1
Get detailed data on over 120,000 schools and 18,500 districts in the U.S.
unknown
swagger 2.0
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Scideas perfectpdf api
The perfectpdf api does one thing, perfectly: it converts html to pdf. The perfectpdf api uses headless Google Chrome to provide a low cost, high quality, simple to use service.
unknown
openapi 3.0
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Scideas Regression analysis api
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 ?
unknown
openapi 3.0
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