generated: '2026-07-11' method: derived source: openapi/omnisend-openapi.yml summary: types: - apiKey - oauth2 api_key_in: - header oauth2_flows: - authorizationCode schemes: - name: ApiKeyAuth type: apiKey in: header parameter: X-API-KEY sources: - openapi/omnisend-openapi.yml - name: OAuth2 type: oauth2 flows: - flow: authorizationCode authorizationUrl: https://app.omnisend.com/oauth/authorize tokenUrl: https://api.omnisend.com/v5/oauth/token scopes: 5 sources: - openapi/omnisend-openapi.yml