generated: '2026-07-11' method: derived source: openapi/index-api.yml, openapi/meta-api.yml summary: types: - apiKey api_key_in: - header schemes: - name: accessToken type: apiKey in: header parameter: authorization description: OpenCitations Access Token obtained from https://opencitations.net/accesstoken. Recommended for application/code usage to ensure stable access. sources: - openapi/index-api.yml - openapi/meta-api.yml