Mock sample for your project: IllumiDesk API

Enforcement and Compliance History Online (ECHO) is a tool developed and maintained by EPA's Office of Enforcement and Compliance Assurance for public use. ECHO provides integrated compliance and enforcement information for over 1 million regulated facilities nationwide.
SDW Rest Services provides multiple service endpoints, each with specific capabilities, to search and retrieve data on public water systems regulated under the Safe Drinking Water Act (SDWA). The returned results reflect data drawn from EPA's Federal Safe Drinking Water Information System (SDWIS) database.
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The getsystems, getqid, and get_download end points are meant to be used together.
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The recommended use scenario for getsystems, getqid, and get_downoad is:
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1) Use getsystems to validate passed query parameters, obtain summary statistics and to obtain a queryid (QID). QIDs are time sensitive and will be valid for approximately 30 minutes.
2) Use get_qid, with the returned QID, to paginate through arrays of water system results.
3) Use get_download, with the returned QID, to generate a Comma Separated Value (CSV) file of water system information that meets the QID query criteria.
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Use the qcolumns parameter to customize your search results. Use the Metadata service endpoint for a list of available output objects, their Column Ids, and their definitions to help you build your customized output.
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Additional ECHO Resources: Web Services, About ECHO's Data, Data Downloads

This REST-API enables you to query station and stop infos

This REST-API enables you to query for private transport sharing offers provided by companies and cities in Germany, Netherland and Austria.
You can search for informations about the rental stations (points or areas) where you can find the rentals by utilizing the /areas/ ressource.
With the help of the proximity search in the /bookingproposals/ URI you can request the availabilities of the rentalobjects for spontaneous or planed usage in the future.
Feel free to browse through data by setting the parameter 'providernetwork' to the value:
1: Search for car sharing offers provided by the Flinkster platform (http://www.flinkster.de)
2: Finding bike rental offers from Call a Bike (http://www.callabike.de)
You can find more details in the documentation section (Unfortunately only available in german language).
Have lots of fun and we are lucky to take notice of your products or getting your feedback.

You can use the CORE API to access the
resources harvested and enriched by CORE. If you encounter any problems with the API, please report them to us.
Overview
The API is organised by resource type. The resources are articles,
journals and repositories and are represented using JSON data format. Furthermore,
each resource has a list of methods. The API also provides two global methods for accessing all resources at once.
Response format
Response for each query contains two fields: status and data.
In case of an error status, the data field is empty. The data field contains a single object
in case the request is for a specific identifier (e.g. CORE ID, CORE repository ID, etc.), or
contains a list of objects, for example for search queries. In case of batch requests, the response
is an array of objects, each of which contains its own status and data fields.
For search queries the response contains an additional field totalHits, which is the
total number of items which match the search criteria.
Search query syntax
Complex search queries can be used in all of the API search methods.
The query can be a simple string or it can be built using terms and operators described in Elasticsearch
documentation.
The usable field names are title, description, fullText,
authors, publisher, repositories.id, repositories.name,
doi, oai, identifiers (which is a list of article identifiers including OAI, URL, etc.), language.name
and year. Some example queries:
title:psychology and language.name:English
repositories.id:86 AND year:2014
identifiers:"oai:aura.abdn.ac.uk:2164/3837" OR identifiers:"oai:aura.abdn.ac.uk:2164/3843"
doi:"10.1186/1471-2458-6-309"
Retrieving the latest Articles
You can retrieve the harvested items since specific dates using the following queries:
repositoryDocument.metadataUpdated:>2017-02-10
repositoryDocument.metadataUpdated:>2017-03-01 AND repositoryDocument.metadataUpdated:
Sort order
For search queries, the results are ordered by relevance score. For batch
requests, the results are retrieved in the order of the requests.
Parameters
The API methods allow different parameters to be passed. Additionally, there is an API key parameter which is common to all API methods. For all API methods
the API key can be provided either as a query parameter or in the request header. If the API key
is not provided, the API will return HTTP 401 error. You can register for an API key here.
API methods

This is technical documentation for the Auckland Museum API

Board of Vocational Higher Secondary Examinations, Directorate of General Education, Government of Kerala has made available VHSE Marklist of MARCH 2020, which can be pulled by students into their Digilocker accounts

API to get Co-WIN vaccination certificate.

Revenue Department of Odisha(http://revenueodisha.gov.in/) provides Copy of Registered Deed(Sale, Gift) of year 2010 onward and Copy of Record of Rights (RoR).

A simple and elegant way to explore cancer data

Driving License (DL) and Vehicle Registration Certificate (RC) of the State, as available on Parivahan Sewa (http://parivahan.co.in/) of Ministry of Road Transport and Highways, are available on DigiLocker. Citizens can pull these documents into their DigiLocker accounts.

APIs provided by Kerala State Board of Public Examinations, Kerala.