> ## Documentation Index > Fetch the complete documentation index at: https://docs.outerproduct.com/llms.txt > Use this file to discover all available pages before exploring further. # CreateCall > Snapshots one child Call in its Run. Root Calls are created with Runs. ## OpenAPI ````yaml /http-api-reference/openapi.json post /outerproduct.run.v1alpha.RunService/CreateCall openapi: 3.1.0 info: title: OuterProduct Control Plane API description: >- Control-plane Connect RPCs over HTTP with ProtoJSON request and response bodies. version: v1alpha servers: - url: https://api.outerproduct.com security: - bearerAuth: [] tags: - name: ApiKey description: |- Manages the current user's application-owned personal access tokens. External sign-in is required; personal and execution tokens cannot manage keys. - name: BillingAccount description: >- How a workspace pays: its prepaid balance, topped up through the payment processor and spent by its usage. - name: Image description: >- The image registry: OCI distribution over its storage, whose formats are its own. The control plane serves it to users, admitting each only to their workspace's repository, and forwards to the OCI registry. Manifests and blobs are addressed by digest and never replaced; tags name manifests. - name: ImageBuilder description: >- Builds Images from image specs, and runs their install steps, each adding layers to its parent image, and package builds, each one pinned package's layer on its base, which install steps merge rather than install. The control plane serves `SubmitImageBuild` and `WaitImageBuild` to users, and forwards them to the scheduler's, which imports each image spec's base through the OCI registry, places each install step and package build on a node that builds, and tags the image it built in its workspace's repository. Those nodes serve the steps to the scheduler, by the scheduler's certificate, and run each in the sandbox the scheduler placed it in. - name: Policy description: >- Resource access policies evaluated by the application's Cedar authorizer. A policy belongs to the workspace of the credential that created it and governs only that workspace and what it owns; deployment-wide grants belong to the operator's policy. - name: Run description: >- Submits and observes product Runs, their Calls, and the Calls' Attempts. Every Run owns one rooted Call tree. - name: Secret - name: User description: / User crud service - name: Volume - name: Workspace description: >- The workspace a request's credential is bound to, and its members. A session starts bound to its user's workspace and may switch to another the user belongs to; an API key stays bound to the workspace it was created in. Requests act in the bound workspace. paths: /outerproduct.run.v1alpha.RunService/CreateCall: post: tags: - Run summary: CreateCall description: Snapshots one child Call in its Run. Root Calls are created with Runs. operationId: outerproduct.run.v1alpha.RunService.CreateCall parameters: - name: Connect-Protocol-Version in: header description: Define the version of the Connect protocol required: true schema: $ref: '#/components/schemas/connect-protocol-version' example: 1 - name: Connect-Timeout-Ms in: header description: Define the timeout, in ms schema: $ref: '#/components/schemas/connect-timeout-header' example: 1000 requestBody: content: application/json: schema: $ref: '#/components/schemas/outerproduct.run.v1alpha.CreateCallRequest' required: true responses: '200': description: Success content: application/json: schema: $ref: '#/components/schemas/outerproduct.run.v1alpha.Call' default: description: Error content: application/json: schema: $ref: '#/components/schemas/connect.error' components: schemas: connect-protocol-version: type: number examples: - 1 title: Connect-Protocol-Version description: Define the version of the Connect protocol const: 1 connect-timeout-header: type: number examples: - 1000 title: Connect-Timeout-Ms description: Define the timeout, in ms outerproduct.run.v1alpha.CreateCallRequest: type: object properties: parent: type: string title: parent call: allOf: - $ref: '#/components/schemas/outerproduct.run.v1alpha.Call' title: call title: CreateCallRequest required: - call additionalProperties: false outerproduct.run.v1alpha.Call: type: object properties: name: type: string title: name pattern: ^runs/[0-9a-f-]{36}/calls/[0-9a-f]{64}$ description: Resource name in the form `runs/{run}/calls/{call}`. parentCall: type: - string - 'null' title: parent_call description: Call that emitted this Call. Absent for the root. childIndex: type: integer title: child_index description: >- Zero-based order of this Call among `parent_call`'s children. Replay emits the same Call at the same index. Always 0 for the root Call, which has no `parent_call`. spec: allOf: - $ref: '#/components/schemas/outerproduct.run.v1alpha.CallSpec' title: spec description: >- The function, arguments, and execution requirements of every Attempt. state: allOf: - $ref: '#/components/schemas/outerproduct.run.v1alpha.Call.State' title: state description: Current externally observable lifecycle state. attemptCount: type: integer title: attempt_count description: Number of Attempt resources created for this Call. output: type: - string - 'null' title: output format: byte description: cloudpickle of the successful return value of the latest Attempt. outputRepr: type: - string - 'null' title: output_repr description: >- Truncated `repr` of the successful return value of the latest Attempt. errorMessage: type: - string - 'null' title: error_message description: >- Terminal failure explanation from the latest Attempt, when one exists. created_at: allOf: - $ref: '#/components/schemas/google.protobuf.Timestamp' title: created_at description: Time the Call was durably snapshotted into this Run. started_at: allOf: - $ref: '#/components/schemas/google.protobuf.Timestamp' title: started_at description: Earliest time any Attempt first transitioned to running. updated_at: allOf: - $ref: '#/components/schemas/google.protobuf.Timestamp' title: updated_at description: Most recent observed lifecycle transition across all Attempts. finished_at: allOf: - $ref: '#/components/schemas/google.protobuf.Timestamp' title: finished_at description: Time the latest Attempt completed, when the Call is terminal. created_by: type: - string - 'null' title: created_by description: User that created the owning Run. hasChildren: type: - boolean - 'null' title: has_children description: >- Child existence at read time. Populated by GetCall and ListCalls, not execution responses. workspace: type: string title: workspace description: |- The workspace that owns the Call's Run. cf. Zitadel `resource_owner`. title: Call required: - spec additionalProperties: false description: |- One logical function invocation within a product Run. A Call is stable across execution attempts. The resource leaf is the lowercase hexadecimal SHA-256 digest of its Run, `parent_call`, and `child_index`. Attempt-specific execution identity lives on child Attempt resources; this resource is their summary. connect.error: type: object properties: code: type: string examples: - not_found enum: - canceled - unknown - invalid_argument - deadline_exceeded - not_found - already_exists - permission_denied - resource_exhausted - failed_precondition - aborted - out_of_range - unimplemented - internal - unavailable - data_loss - unauthenticated description: >- The status code, which should be an enum value of [google.rpc.Code][google.rpc.Code]. message: type: string description: >- A developer-facing error message, which should be in English. Any user-facing error message should be localized and sent in the [google.rpc.Status.details][google.rpc.Status.details] field, or localized by the client. details: type: array items: $ref: '#/components/schemas/connect.error_details.Any' description: >- A list of messages that carry the error details. There is no limit on the number of messages. title: Connect Error additionalProperties: true description: >- Error type returned by Connect: https://connectrpc.com/docs/go/errors/#http-representation outerproduct.run.v1alpha.CallSpec: type: object properties: function: type: string title: function minLength: 1 description: |- `module:qualname` of the callable, which each Attempt imports with `pkgutil.resolve_name` from its `file_mounts`. arguments: type: string title: arguments format: byte description: cloudpickle of `(args, kwargs)`. computeSpec: allOf: - $ref: '#/components/schemas/outerproduct.run.v1alpha.ComputeSpec' title: compute_spec image: allOf: - $ref: '#/components/schemas/outerproduct.image.v1alpha.ImageSpec' title: image description: >- The image spec of the Image each Attempt runs, which the scheduler builds as the Attempt waits to run. volumeMounts: type: object title: volume_mounts additionalProperties: allOf: - $ref: >- #/components/schemas/outerproduct.sandbox.v1alpha.VolumeMountSpec title: value description: Keyed by absolute container path. envVars: type: object title: env_vars additionalProperties: allOf: - $ref: '#/components/schemas/outerproduct.run.v1alpha.EnvVar' title: value description: Container environment, keyed by variable name. retryStrategy: allOf: - $ref: '#/components/schemas/outerproduct.run.v1alpha.RetryStrategy' title: retry_strategy description: Omission allows one Attempt. summary: allOf: - $ref: '#/components/schemas/outerproduct.run.v1alpha.FunctionSummary' title: summary description: >- Display-only description of `function` and `arguments`, recorded by the Python API. fileMounts: type: array items: type: string title: file_mounts description: >- Images converted from file mounts, placed over the image when each container starts, rather than built into it; later file mounts win where paths overlap. displayName: type: string title: display_name description: >- Display label for this Call, and for its Run when this is the root Call. sourceFileMounts: type: object title: source_file_mounts additionalProperties: type: string title: value description: >- Source file mounts' Images, keyed by Python package or standalone module. Values also appear in file_mounts. port: type: integer title: port description: >- A port the function serves while it runs, which the URL of the sandbox each Attempt runs in serves to anyone. timeout: allOf: - $ref: '#/components/schemas/google.protobuf.Duration' title: timeout description: >- How long each Attempt may run; unset, up to 24 hours. Nodes do not enforce it yet. title: CallSpec additionalProperties: false description: >- Everything needed to execute a Call. The control plane accepts references in `volume_mounts` and `env_vars` and forwards them resolved to the scheduler. outerproduct.run.v1alpha.Call.State: type: string title: State enum: - STATE_UNSPECIFIED - STATE_RUNNING - STATE_COMPLETED - STATE_FAILED - STATE_CANCELLED - STATE_CANCELLING google.protobuf.Timestamp: type: string examples: - '2023-01-15T01:30:15.01Z' - '2024-12-25T12:00:00Z' format: date-time description: >- A point in time in RFC 3339 format, with up to nanosecond precision. Output uses UTC (`Z`); input may use an offset from UTC. connect.error_details.Any: type: object properties: type: type: string description: >- A URL that acts as a globally unique identifier for the type of the serialized message. For example: `type.googleapis.com/google.rpc.ErrorInfo`. value: type: string format: binary description: >- The Protobuf message, serialized as bytes and base64-encoded. The specific message type is identified by the `type` field. debug: type: object title: Debug additionalProperties: true description: >- Deserialized error detail payload. The 'type' field indicates the schema. This field is for easier debugging and should not be relied upon for application logic. additionalProperties: true description: >- Contains an arbitrary serialized message along with a @type that describes the type of the serialized message, with an additional debug field for ConnectRPC error details. outerproduct.run.v1alpha.ComputeSpec: type: object properties: cpus: type: integer title: cpus memoryBytes: type: string title: memory_bytes format: int64 description: Container RAM, including anything written to /dev/shm. accelerator: type: string title: accelerator acceleratorCount: type: integer title: accelerator_count title: ComputeSpec additionalProperties: false description: >- Caller hardware requirements. Scheduling configuration belongs to the service. outerproduct.image.v1alpha.ImageSpec: type: object properties: base: type: string title: base maxLength: 1024 minLength: 1 description: Container image, given as a registry tag or digest. steps: type: array items: $ref: '#/components/schemas/outerproduct.image.v1alpha.ImageStep' title: steps maxItems: 64 description: Ordered steps, each built on its predecessor. title: ImageSpec additionalProperties: false description: A base image and ordered build steps. outerproduct.sandbox.v1alpha.VolumeMountSpec: type: object properties: source: type: string title: source description: volumes/ uid: type: string title: uid description: Immutable identity of the resolved Volume. readOnly: type: boolean title: read_only uri: type: string title: uri description: Storage location of `source`. title: VolumeMountSpec additionalProperties: false description: >- The control plane accepts a `source` alone and resolves `uri` and credentials. outerproduct.run.v1alpha.EnvVar: type: object allOf: - oneOf: - required: - value - required: - secret anyOf: - type: object properties: secret: allOf: - $ref: '#/components/schemas/outerproduct.run.v1alpha.Secret' title: secret title: secret - type: object properties: value: type: string title: value title: value unevaluatedProperties: false not: allOf: - anyOf: - required: - secret - required: - value - not: oneOf: - required: - secret - required: - value title: EnvVar outerproduct.run.v1alpha.RetryStrategy: type: object properties: maxAttempts: type: integer title: max_attempts minimum: 1 description: Total number of Attempts, including the first. Must be at least one. title: RetryStrategy additionalProperties: false description: Automatic retries of the same invocation. Cancellation is never retried. outerproduct.run.v1alpha.FunctionSummary: type: object properties: name: type: string title: name description: '`__qualname__` of the callable.' source: type: string title: source description: Source of the callable, when Python can find it. arguments: type: array items: $ref: '#/components/schemas/outerproduct.run.v1alpha.Argument' title: arguments description: >- Truncated `repr` of each argument, named by its parameter when it binds. title: FunctionSummary additionalProperties: false description: What a person needs to recognize a Call; execution never reads it. google.protobuf.Duration: type: string format: duration description: >- A signed duration in seconds, with up to nine fractional digits and an `s` suffix (for example, `3s` or `-0.001s`). outerproduct.image.v1alpha.ImageStep: type: object allOf: - oneOf: - required: - uvPipInstall anyOf: - type: object properties: uvPipInstall: allOf: - $ref: '#/components/schemas/outerproduct.image.v1alpha.UvPipInstall' title: uv_pip_install title: uv_pip_install unevaluatedProperties: false title: ImageStep outerproduct.run.v1alpha.Secret: type: object properties: name: type: string title: name description: Empty only for values the control plane injects itself. uid: type: string title: uid description: Immutable identity of the resolved Secret. title: Secret additionalProperties: false description: A generic Secret whose UTF-8 value becomes the variable's value. outerproduct.run.v1alpha.Argument: type: object properties: name: type: string title: name value: type: string title: value title: Argument additionalProperties: false outerproduct.image.v1alpha.UvPipInstall: type: object properties: packages: type: array items: type: string maxLength: 512 minLength: 1 title: packages maxItems: 256 minItems: 1 title: UvPipInstall additionalProperties: false securitySchemes: bearerAuth: type: http description: A user session token or personal API key. scheme: bearer ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.