generated: '2026-07-19' method: searched source: openapi/greenspark-openapi.yml docs: https://docs.getgreenspark.com/docs/mcp description: >- Greenspark authenticates every API call with a single API key sent in the x-api-key request header. Keys are created in the Greenspark dashboard and are environment-bound: a sandbox key only works against the sandbox host and a production key only against production. No OAuth2/OIDC is offered. summary: types: - apiKey api_key_in: - header schemes: - name: ApiKeyAuth type: apiKey in: header parameter: x-api-key description: 'Greenspark API key. Match key to host: sandbox key -> sandbox host, production key -> production host.' sources: - openapi/greenspark-openapi.yml