generated: '2026-08-12' method: searched source: https://metadata.io/developers/ docs: https://metadata.io/developers/ limit_count: 0 limits: [] response_headers: [] exhaustion_status: null note: 'Metadata publishes NO rate limits. The developer introduction asserts "Rate limits are documented up front", but no number, window, scope, response header (X-RateLimit-*, RateLimit-*, Retry-After) or 429 behaviour appears on any page of metadata.io/developers/ or metadata.io/mcp-server. An anonymous probe of the MCP endpoint returns 401 with no rate-limit headers. The only published throttle is commercial, not temporal: a per-call CREDIT cost (read 1, create/update 5, launch and creative generation 10-25) with HTTP 402 insufficient_credits on exhaustion.' credit_metering: model: credits per tool call read: 1 create_update: 5 launch_and_creative: 10-25 exhaustion_status: 402 exhaustion_code: insufficient_credits source: https://metadata.io/mcp-server checked_urls: - url: https://metadata.io/developers/ status: 200 - url: https://metadata.io/developers/authentication.html status: 200 - url: https://metadata.io/mcp-server status: 200 - url: https://mcp-server.metadata.io/mcp status: 401