Mock sample for your project: OpenTrials 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.
RCRA Rest Services provides multiple service endpoints, each with specific capabilities, to search and retrieve data on hazardous waste handlers/facilities regulated under the Resource Conservation and Recovery Act (RCRA). The returned results reflect data drawn from EPA's RCRAInfo database.
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The getfacilities, getmap, getqid, and getdownload end points are meant to be used together, while the enhanced getfacilityinfo end point is self contained.
The getfacilityinfo end point returns either an array of state, county or zip clusters with summary statistics per cluster or an array of facilities.
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The recommended use scenario for getfacilities, getqid, getmap, and getdownoad is:
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1) Use getfacilities 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 facility results.
3) Use get_map, with the returned QID, to zoom in/out and pan on the clustered and individual facility coordinates that meet the QID query criteria.
4) Use get_download, with the returned QID, to generate a Comma Separated Value (CSV) file of facility 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

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.

This API that lists all 28 public holidays for all 13 provinces and territories in Canada, including federal holidays.

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.

Veer Surendra Sai University Of Technology, Odisha (http://vssut.ac.in) is issuing Degree certificates through DigiLocker. These can be pulled by students into their DigiLocker accounts. Currently, data for the year's 2014-2019 is made available by Veer Surendra Sai University Of Technology.

This API allows programmers to build National Snow and Ice Data Center data and metadata services into their applications.

All about Numbers. REST access with json/xml/jsonp result support. Below is the documentation for the Numbers API. You can try them out right here. Find more information and subscribe at math.tools

Registration Certificate, Duplicate Registration Certificate, Good Standing Certificate, Registration Renewal, Tatkal Registration, Tatkal Registration Renewal and Upadhi/Certificate as issued by MP Paramedical Council (http://www.mppmc.ac.in) from April 2017 onwards can be pulled into citizens' DigiLocker accounts.