{"title":"GroupMixer public solver API","summary":"Hosted API for automatic scenario solving with free and paid access.","discovery_note":"Free account keys receive 120 seconds per day. Anonymous callers share 600 seconds per day. Both free tiers support single-session scenarios of any size within the request limits and multi-session scenarios up to 50 active participants. The regular Pro subscription includes Pro scenarios and 300 API compute seconds per account per day. Every solve requires an Idempotency-Key. Discovery is public. It does not expose arbitrary solver configuration or solver-family selection.","operations":[{"operation_id":"auto-solve","summary":"Run the hosted public automatic solver for a scenario.","route":{"method":"GET","path":"/v1/help/auto-solve"},"help_path":"/v1/help/auto-solve"},{"operation_id":"get-schema","summary":"Inspect a named public schema from the contract registry.","route":{"method":"GET","path":"/v1/schemas/{schema_id}"},"help_path":"/v1/help/get-schema"},{"operation_id":"inspect-errors","summary":"Inspect the canonical public error catalog.","route":{"method":"GET","path":"/v1/errors"},"help_path":"/v1/help/inspect-errors"}]}