Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.
Get an API key
Free tier, no form to fill in. Signing in shares your email address with us — we
store it to create your key and to recognise you if you sign in with another
provider. See our Privacy Policy and
Terms.
name: GrantSonar API
description: Developer portal for GrantSonar providing API documentation and MCP access.
humanURL: https://grantsonar.com/developers
baseURL: null
aid: grantsonar-com:grantsonar-api