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Every non-2xx API response carries an ErrorResponse body with a human-readable error message and a stable machine-readable code from the catalog below. Responses may also include error_detail, a request_id for support correlation, and build_id for template-build failures.
The spec does not yet maintain per-code descriptions, so the descriptions below are auto-generated summaries derived from the code identifiers. The code list itself is the contract.

Authentication And Accounts

CodeDescription
unauthorizedUnauthorized.
auth_failedThe auth operation failed.
auth_lockedAuth locked.
auth_proxy_errorAn auth proxy error occurred.
auth_proxy_unavailableThe auth proxy is currently unavailable; retry later.
invalid_auth_redirectInvalid auth redirect.
invalid_oauth_providerInvalid oauth provider.
captcha_requiredCaptcha required.
captcha_failedThe captcha operation failed.
captcha_unavailableThe captcha is currently unavailable; retry later.
disposable_emailDisposable email.
signup_rate_limitedToo many signup attempts; retry after the rate-limit window.
oauth_rate_limitedToo many oauth attempts; retry after the rate-limit window.
email_action_rate_limitedToo many email action attempts; retry after the rate-limit window.
email_not_verifiedEmail not verified.
account_deletedAccount deleted.
operator_requiredOperator required.
account_not_foundThe referenced account does not exist or is not visible to the caller.
account_not_soft_deletedAccount not soft deleted.
account_hard_delete_active_resourcesAccount hard delete active resources.

Sandboxes And Scheduling

CodeDescription
sandbox_not_foundThe referenced sandbox does not exist or is not visible to the caller.
sandbox_not_readySandbox not ready.
capacity_exceededThe request exceeds the capacity limit.
no_eligible_runtime_hostNo eligible runtime host.
same_host_requiredSame host required.
transition_in_progressTransition in progress.
transition_conflictThe request conflicts with the current transition state.

Snapshots

CodeDescription
snapshot_not_foundThe referenced snapshot does not exist or is not visible to the caller.
snapshot_in_useSnapshot in use.
incompatible_snapshotIncompatible snapshot.
rebuild_requiredRebuild required.

Templates And Builds

CodeDescription
template_not_foundThe referenced template does not exist or is not visible to the caller.
template_build_not_foundThe referenced template build does not exist or is not visible to the caller.
template_name_claim_not_foundThe referenced template name claim does not exist or is not visible to the caller.
build_errorA build error occurred.

Agent Deployments

CodeDescription
agent_deployment_not_foundThe referenced agent deployment does not exist or is not visible to the caller.
agent_deployment_version_not_foundThe referenced agent deployment version does not exist or is not visible to the caller.
agent_run_not_foundThe referenced agent run does not exist or is not visible to the caller.
agent_service_instance_not_foundThe referenced agent service instance does not exist or is not visible to the caller.
agent_deployment_name_conflictThe request conflicts with the current agent deployment name state.
agent_deployment_idempotency_mismatchAgent deployment idempotency mismatch.
agent_deployment_invalid_configAgent deployment invalid config.
agent_deployment_invalid_stateAgent deployment invalid state.

Volumes

CodeDescription
volume_beta_restrictionVolume beta restriction.
volume_invalid_mount_pathVolume invalid mount path.
volume_overlapping_mountsVolume overlapping mounts.
volume_backend_capability_unsupportedVolume backend capability unsupported.
volume_quota_exceededThe request exceeds the volume quota limit.
volume_mount_credential_issue_failedThe volume mount credential issue operation failed.
volume_backend_unavailableThe volume backend is currently unavailable; retry later.
volume_stale_revisionVolume stale revision.
volume_busyVolume busy.
volume_read_onlyVolume read only.
volume_limit_exceededThe request exceeds the volume limit.

Execution And Files

CodeDescription
file_upload_errorA file upload error occurred.
exec_timeoutThe exec operation timed out.
exec_failedThe exec operation failed.
file_errorA file error occurred.

Quotas And Rate Limits

CodeDescription
QUOTA_EXCEEDEDThe request exceeds the quota limit.
rate_limit_exceededThe request hit a rate limit; respect Retry-After before retrying.

General

CodeDescription
invalid_requestInvalid request.
database_errorA database error occurred.
not_implementedNot implemented.
feature_unavailableThe feature is currently unavailable; retry later.
internal_errorAn internal error occurred.
  • Error Codes - CLI exit codes, the CLI JSON error envelope, and edge/preview error anchors.
  • REST API Reference - per-endpoint error responses, rendered from the same specs/openapi.yaml.