--- title: "Leads API Introduction" slug: "leads-api-overview" updated: 2022-01-14T16:00:48Z published: 2022-01-14T16:00:48Z canonical: "support.autumna.co.uk/leads-api-overview" --- > ## Documentation Index > Fetch the complete documentation index at: https://support.autumna.co.uk/llms.txt > Use this file to discover all available pages before exploring further. # Leads API Introduction **Terms** Service = A service or organisation with a profile on Autumna. Lead = A direct enquiry to your service / organisation, or a client referral to your service / organisation **Overview** The APIs we provide give read only access to Leads via a JSON REST Based interface. **Authentication** To make a request to our API you must pass the api_key of the client profile (account) in question, these keys may be passed in the URL for GET requests. API Keys may be requested by emailing [info@autumna.co.uk](mailto:info@autumna.co.uk). **Access Restrictions** Autumna’s discretionary approval is required to access this API.