generated: '2026-07-12' method: derived source: openapi/abstractapi-phone-openapi.yml summary: types: - apiKey schemes: - name: apiKeyQuery type: apiKey in: query keyName: api_key description: >- Abstract API authenticates by an API key passed as the `api_key` query parameter on the request, e.g. https://phonevalidation.abstractapi.com/v1/?api_key=YOUR_API_KEY&phone=+14152007986. Each Abstract API product (phone validation, email validation, IP geolocation, etc.) issues its own distinct key. Live-confirmed 2026-07-12: a missing or invalid key returns HTTP 401 with an "Invalid API key provided" error. sources: - openapi/abstractapi-phone-openapi.yml - https://www.abstractapi.com/api/phone-validation-api