Overview
The Tenders in Spain API from tenders.guru delivers Spanish public procurement data in JSON format, covering central government, autonomous communities, and local authorities. No API key is required, making it immediately accessible for open-data projects, journalism tools, or research into public expenditure. Each record includes the contracting authority, contract value, and supplier details.
Beginner Tip
Query the API directly at https://tenders.guru/es/api/tenders?page=1 to see a live sample — it is completely free and needs no account, so you can integrate it into a project in minutes.
Available Data
The kind of data this API exposes, based on its documentation. We could not call the endpoint to confirm the exact field names.
Example Response
Illustrative shape only — we were not able to call this endpoint (it requires credentials or exposes no public sample URL), so the fields below show the kind of data this API returns rather than a recorded response.
{
"status": "success",
"data": {
"result": "Data from Tenders in Spain",
"description": "Get data for procurements in Spain in JSON format",
"timestamp": "2025-01-15T10:00:00Z"
}
} Field Reference
id Unique identifier for the Spanish tender record title Official subject of the procurement contract buyer Contracting authority (ministry, region, or municipality) value Awarded or estimated contract value in euros date Publication or award date of the tender supplier Name of the winning bidder, if the contract has been awarded Implementation Example
Calls a real endpoint of this API. Replace any placeholder credentials with your own key.
const url = "https://tenders.guru/es/api/tenders?page=1&per_page=10";
const response = await fetch(url);
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
const data = await response.json();
console.log(data); What Can You Build?
Note: These code examples are AI-generated and unverified. Always refer to the official API documentation for accurate usage.
Common Errors & Troubleshooting
Generated guidance based on this API's documentation, not observed by us. Treat it as a starting point and check against the provider's own error reference.
Metadata Score Breakdown
Estimated from metadata — endpoint not independently tested
Metadata estimate · endpoint not independently tested
Technical Specifications
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