generated: '2026-07-22' method: searched source: https://developer.exchange-data.com/p/api-faq docs: https://developer.exchange-data.com/p/api-faq note: EDI publishes no OpenAPI, so this profile is captured from the developer portal docs, the API FAQ, and live probes of the api3.exchange-data.com host on 2026-07-22. summary: types: [apiKey] api_key_in: [header] oauth2_flows: [] schemes: - name: LicenseKey type: apiKey in: header parameter: Authorization description: Production license key sent in the Authorization header. Per the API FAQ, "Upon registration the Prod License key will be enabled from day 1" - users register on the developer portal and use the production key when integrating. All 24 API products on the shared api3.exchange-data.com base require it; access to each product is gated by per-product subscription. evidence: - probe: GET https://api3.exchange-data.com/GetLatestEODPrices?MIC=USCOMP&format=json (no Authorization header) result: 'HTTP 401 {"error": "Authorization field missing"}' - probe: 'GET with header Authorization: Bearer notatoken' result: 'HTTP 403 {"error": "Access to this API has been disallowed"}' onboarding: register: https://developer.exchange-data.com/register notes: Self-serve registration on the EDI Developer portal grants an account, access to the API Playground, and a production license key from day 1; individual API products require a subscription.