Open Collective API
Overview
Open Collective API gives you free access to data about open-source projects and communities that use Open Collective for transparent fundraising. It uses GraphQL and requires no authentication, making it very beginner-friendly. You can query information about collectives, their budgets, contributors, and expenses.
Beginner Tip
Since Open Collective uses GraphQL with no auth required, you can start experimenting immediately — try sending a POST request to https://api.opencollective.com/graphql/v2 with a simple query to get a collective by slug.
Available Data
Example Response
{
"status": "success",
"data": {
"result": "Data from Open Collective",
"description": "Get Open Collective data",
"timestamp": "2025-01-15T10:00:00Z"
}
} Field Reference
data.collective.name Display name of the collective data.collective.slug URL-friendly identifier used in Open Collective URLs data.collective.description Short description of what the collective does data.collective.stats.balance.value Current balance of the collective in the currency specified data.collective.members.nodes List of member objects with role, account name, and join date Implementation Example
// ⚠️ Note: This URL may be a documentation page. Check official docs for actual API endpoint.
const url = "https://docs.opencollective.com/help/developers/api";
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
Matrix Score Breakdown
Fully tested on Apr 5, 2026
Technical Specifications
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