Start a workflow run

POST

/api/v1/org/{org}/ws/{workspace}/workflows/runs

curl --request POST \
  --url https://example.com/api/v1/org/example/ws/example/workflows/runs \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{ "definition_id": "2489E9AD-2EE2-8E00-8EC9-32D5F69181C0", "host_kind": "runtime", "input": {}, "project_id": "2489E9AD-2EE2-8E00-8EC9-32D5F69181C0", "runtime_id": "2489E9AD-2EE2-8E00-8EC9-32D5F69181C0" }'

Authorizations

• OAuth2PasswordBearer
• APIKeyCookie
• APIKeyHeader

Parameters

Path Parameters

org

required

Org

Organization slug

string

Organization slug

workspace

required

Workspace

Workspace slug

string

Workspace slug

Request Body ^required

Media type application/json

CreateWorkflowRunRequest

object

definition_id

required

Definition Id

string format: uuid

host_kind

Host Kind

string

default: runtime

Allowed values: runtime local

input

Input

object

key

additional properties

any

project_id

required

Project Id

string format: uuid

runtime_id

Any of:

string

string format: uuid

null

null

Responses

201

Successful Response

Media type application/json

WorkflowRunSummary

object

created_at

required

Created At

string format: date-time

definition_id

required

Definition Id

string format: uuid

error

required

Any of:

string

string

null

null

finished_at

required

Any of:

string

string format: date-time

null

null

host_kind

required

Host Kind

string

id

required

Id

string format: uuid

last_fact_seq

required

Last Fact Seq

integer

organization_id

required

Organization Id

string format: uuid

project_id

required

Project Id

string format: uuid

run_heartbeat_at

required

Any of:

string

string format: date-time

null

null

runtime_id

required

Any of:

string

string format: uuid

null

null

session_group_id

required

Any of:

string

string format: uuid

null

null

started_at

required

Any of:

string

string format: date-time

null

null

status

required

Status

string

title

required

Any of:

string

string

null

null

workspace_id

required

Workspace Id

string format: uuid

Example ^generated

{
  "created_at": "2026-04-15T12:00:00Z",
  "definition_id": "2489E9AD-2EE2-8E00-8EC9-32D5F69181C0",
  "error": "example",
  "finished_at": "2026-04-15T12:00:00Z",
  "host_kind": "example",
  "id": "2489E9AD-2EE2-8E00-8EC9-32D5F69181C0",
  "last_fact_seq": 1,
  "organization_id": "2489E9AD-2EE2-8E00-8EC9-32D5F69181C0",
  "project_id": "2489E9AD-2EE2-8E00-8EC9-32D5F69181C0",
  "run_heartbeat_at": "2026-04-15T12:00:00Z",
  "runtime_id": "2489E9AD-2EE2-8E00-8EC9-32D5F69181C0",
  "session_group_id": "2489E9AD-2EE2-8E00-8EC9-32D5F69181C0",
  "started_at": "2026-04-15T12:00:00Z",
  "status": "example",
  "title": "example",
  "workspace_id": "2489E9AD-2EE2-8E00-8EC9-32D5F69181C0"
}

400

Invalid request

Media type application/json

APIErrorPayload

Canonical API error envelope returned by the API.

object

code

required

Code

HTTP status code

integer

Allowed values: 400 401 403 404 409 422 426 429 500 502 504

detail

required

Detail

Human-readable error message

string

errors

Any of:

Array<object>

Array<object>

ValidationErrorItem

object

loc

required

Loc

Where the validation error occurred

Array

msg

required

Msg

Human-readable validation message

string

type

required

Type

Machine-readable validation error type

string

null

null

type

required

Type

Stable machine-readable error type

string

Allowed values: already_exists_error app_error authentication_error conflict_error aws_error configuration_error database_error dynamodb_error e2b_error e2b_rate_limit_error expired_signature_error expired_token_error forbidden_error group_error invalid_error invalid_flag_error invalid_username_error mail_error member_exists_error member_limit_exceeded_error migration_lock_timeout_error not_found_error oauth_config_error org_sandbox_capacity_exceeded_error bad_gateway_error gateway_timeout_error s3_error server_error task_error stripe_error task_set_not_found token_error upgrade_required_error usage_limit_exceeded_error user_suspended user_verification_error validation_error

Example

{
  "code": 401,
  "detail": "Authentication failed",
  "type": "authentication_error"
}

401

Authentication failed

Media type application/json

APIErrorPayload

Canonical API error envelope returned by the API.

object

code

required

Code

HTTP status code

integer

Allowed values: 400 401 403 404 409 422 426 429 500 502 504

detail

required

Detail

Human-readable error message

string

errors

Any of:

Array<object>

Array<object>

ValidationErrorItem

object

loc

required

Loc

Where the validation error occurred

Array

msg

required

Msg

Human-readable validation message

string

type

required

Type

Machine-readable validation error type

string

null

null

type

required

Type

Stable machine-readable error type

string

Allowed values: already_exists_error app_error authentication_error conflict_error aws_error configuration_error database_error dynamodb_error e2b_error e2b_rate_limit_error expired_signature_error expired_token_error forbidden_error group_error invalid_error invalid_flag_error invalid_username_error mail_error member_exists_error member_limit_exceeded_error migration_lock_timeout_error not_found_error oauth_config_error org_sandbox_capacity_exceeded_error bad_gateway_error gateway_timeout_error s3_error server_error task_error stripe_error task_set_not_found token_error upgrade_required_error usage_limit_exceeded_error user_suspended user_verification_error validation_error

Example

{
  "code": 401,
  "detail": "Authentication failed",
  "type": "authentication_error"
}

403

Access forbidden

Media type application/json

APIErrorPayload

Canonical API error envelope returned by the API.

object

code

required

Code

HTTP status code

integer

Allowed values: 400 401 403 404 409 422 426 429 500 502 504

detail

required

Detail

Human-readable error message

string

errors

Any of:

Array<object>

Array<object>

ValidationErrorItem

object

loc

required

Loc

Where the validation error occurred

Array

msg

required

Msg

Human-readable validation message

string

type

required

Type

Machine-readable validation error type

string

null

null

type

required

Type

Stable machine-readable error type

string

Allowed values: already_exists_error app_error authentication_error conflict_error aws_error configuration_error database_error dynamodb_error e2b_error e2b_rate_limit_error expired_signature_error expired_token_error forbidden_error group_error invalid_error invalid_flag_error invalid_username_error mail_error member_exists_error member_limit_exceeded_error migration_lock_timeout_error not_found_error oauth_config_error org_sandbox_capacity_exceeded_error bad_gateway_error gateway_timeout_error s3_error server_error task_error stripe_error task_set_not_found token_error upgrade_required_error usage_limit_exceeded_error user_suspended user_verification_error validation_error

Example

{
  "code": 401,
  "detail": "Authentication failed",
  "type": "authentication_error"
}

404

Not found

Media type application/json

APIErrorPayload

Canonical API error envelope returned by the API.

object

code

required

Code

HTTP status code

integer

Allowed values: 400 401 403 404 409 422 426 429 500 502 504

detail

required

Detail

Human-readable error message

string

errors

Any of:

Array<object>

Array<object>

ValidationErrorItem

object

loc

required

Loc

Where the validation error occurred

Array

msg

required

Msg

Human-readable validation message

string

type

required

Type

Machine-readable validation error type

string

null

null

type

required

Type

Stable machine-readable error type

string

Allowed values: already_exists_error app_error authentication_error conflict_error aws_error configuration_error database_error dynamodb_error e2b_error e2b_rate_limit_error expired_signature_error expired_token_error forbidden_error group_error invalid_error invalid_flag_error invalid_username_error mail_error member_exists_error member_limit_exceeded_error migration_lock_timeout_error not_found_error oauth_config_error org_sandbox_capacity_exceeded_error bad_gateway_error gateway_timeout_error s3_error server_error task_error stripe_error task_set_not_found token_error upgrade_required_error usage_limit_exceeded_error user_suspended user_verification_error validation_error

Example

{
  "code": 401,
  "detail": "Authentication failed",
  "type": "authentication_error"
}

409

Already exists

Media type application/json

APIErrorPayload

Canonical API error envelope returned by the API.

object

code

required

Code

HTTP status code

integer

Allowed values: 400 401 403 404 409 422 426 429 500 502 504

detail

required

Detail

Human-readable error message

string

errors

Any of:

Array<object>

Array<object>

ValidationErrorItem

object

loc

required

Loc

Where the validation error occurred

Array

msg

required

Msg

Human-readable validation message

string

type

required

Type

Machine-readable validation error type

string

null

null

type

required

Type

Stable machine-readable error type

string

Allowed values: already_exists_error app_error authentication_error conflict_error aws_error configuration_error database_error dynamodb_error e2b_error e2b_rate_limit_error expired_signature_error expired_token_error forbidden_error group_error invalid_error invalid_flag_error invalid_username_error mail_error member_exists_error member_limit_exceeded_error migration_lock_timeout_error not_found_error oauth_config_error org_sandbox_capacity_exceeded_error bad_gateway_error gateway_timeout_error s3_error server_error task_error stripe_error task_set_not_found token_error upgrade_required_error usage_limit_exceeded_error user_suspended user_verification_error validation_error

Example

{
  "code": 401,
  "detail": "Authentication failed",
  "type": "authentication_error"
}

422

Validation error

Media type application/json

APIErrorPayload

Canonical API error envelope returned by the API.

object

code

required

Code

HTTP status code

integer

Allowed values: 400 401 403 404 409 422 426 429 500 502 504

detail

required

Detail

Human-readable error message

string

errors

Any of:

Array<object>

Array<object>

ValidationErrorItem

object

loc

required

Loc

Where the validation error occurred

Array

msg

required

Msg

Human-readable validation message

string

type

required

Type

Machine-readable validation error type

string

null

null

type

required

Type

Stable machine-readable error type

string

Allowed values: already_exists_error app_error authentication_error conflict_error aws_error configuration_error database_error dynamodb_error e2b_error e2b_rate_limit_error expired_signature_error expired_token_error forbidden_error group_error invalid_error invalid_flag_error invalid_username_error mail_error member_exists_error member_limit_exceeded_error migration_lock_timeout_error not_found_error oauth_config_error org_sandbox_capacity_exceeded_error bad_gateway_error gateway_timeout_error s3_error server_error task_error stripe_error task_set_not_found token_error upgrade_required_error usage_limit_exceeded_error user_suspended user_verification_error validation_error

Example

{
  "code": 401,
  "detail": "Authentication failed",
  "type": "authentication_error"
}

426

Upgrade required

Media type application/json

APIErrorPayload

Canonical API error envelope returned by the API.

object

code

required

Code

HTTP status code

integer

Allowed values: 400 401 403 404 409 422 426 429 500 502 504

detail

required

Detail

Human-readable error message

string

errors

Any of:

Array<object>

Array<object>

ValidationErrorItem

object

loc

required

Loc

Where the validation error occurred

Array

msg

required

Msg

Human-readable validation message

string

type

required

Type

Machine-readable validation error type

string

null

null

type

required

Type

Stable machine-readable error type

string

Allowed values: already_exists_error app_error authentication_error conflict_error aws_error configuration_error database_error dynamodb_error e2b_error e2b_rate_limit_error expired_signature_error expired_token_error forbidden_error group_error invalid_error invalid_flag_error invalid_username_error mail_error member_exists_error member_limit_exceeded_error migration_lock_timeout_error not_found_error oauth_config_error org_sandbox_capacity_exceeded_error bad_gateway_error gateway_timeout_error s3_error server_error task_error stripe_error task_set_not_found token_error upgrade_required_error usage_limit_exceeded_error user_suspended user_verification_error validation_error

Example

{
  "code": 401,
  "detail": "Authentication failed",
  "type": "authentication_error"
}

429

Rate limited

Media type application/json

APIErrorPayload

Canonical API error envelope returned by the API.

object

code

required

Code

HTTP status code

integer

Allowed values: 400 401 403 404 409 422 426 429 500 502 504

detail

required

Detail

Human-readable error message

string

errors

Any of:

Array<object>

Array<object>

ValidationErrorItem

object

loc

required

Loc

Where the validation error occurred

Array

msg

required

Msg

Human-readable validation message

string

type

required

Type

Machine-readable validation error type

string

null

null

type

required

Type

Stable machine-readable error type

string

Allowed values: already_exists_error app_error authentication_error conflict_error aws_error configuration_error database_error dynamodb_error e2b_error e2b_rate_limit_error expired_signature_error expired_token_error forbidden_error group_error invalid_error invalid_flag_error invalid_username_error mail_error member_exists_error member_limit_exceeded_error migration_lock_timeout_error not_found_error oauth_config_error org_sandbox_capacity_exceeded_error bad_gateway_error gateway_timeout_error s3_error server_error task_error stripe_error task_set_not_found token_error upgrade_required_error usage_limit_exceeded_error user_suspended user_verification_error validation_error

Example

{
  "code": 401,
  "detail": "Authentication failed",
  "type": "authentication_error"
}

500

Internal server error

Media type application/json

APIErrorPayload

Canonical API error envelope returned by the API.

object

code

required

Code

HTTP status code

integer

Allowed values: 400 401 403 404 409 422 426 429 500 502 504

detail

required

Detail

Human-readable error message

string

errors

Any of:

Array<object>

Array<object>

ValidationErrorItem

object

loc

required

Loc

Where the validation error occurred

Array

msg

required

Msg

Human-readable validation message

string

type

required

Type

Machine-readable validation error type

string

null

null

type

required

Type

Stable machine-readable error type

string

Allowed values: already_exists_error app_error authentication_error conflict_error aws_error configuration_error database_error dynamodb_error e2b_error e2b_rate_limit_error expired_signature_error expired_token_error forbidden_error group_error invalid_error invalid_flag_error invalid_username_error mail_error member_exists_error member_limit_exceeded_error migration_lock_timeout_error not_found_error oauth_config_error org_sandbox_capacity_exceeded_error bad_gateway_error gateway_timeout_error s3_error server_error task_error stripe_error task_set_not_found token_error upgrade_required_error usage_limit_exceeded_error user_suspended user_verification_error validation_error

Example

{
  "code": 401,
  "detail": "Authentication failed",
  "type": "authentication_error"
}

502

Bad gateway

Media type application/json

APIErrorPayload

Canonical API error envelope returned by the API.

object

code

required

Code

HTTP status code

integer

Allowed values: 400 401 403 404 409 422 426 429 500 502 504

detail

required

Detail

Human-readable error message

string

errors

Any of:

Array<object>

Array<object>

ValidationErrorItem

object

loc

required

Loc

Where the validation error occurred

Array

msg

required

Msg

Human-readable validation message

string

type

required

Type

Machine-readable validation error type

string

null

null

type

required

Type

Stable machine-readable error type

string

Allowed values: already_exists_error app_error authentication_error conflict_error aws_error configuration_error database_error dynamodb_error e2b_error e2b_rate_limit_error expired_signature_error expired_token_error forbidden_error group_error invalid_error invalid_flag_error invalid_username_error mail_error member_exists_error member_limit_exceeded_error migration_lock_timeout_error not_found_error oauth_config_error org_sandbox_capacity_exceeded_error bad_gateway_error gateway_timeout_error s3_error server_error task_error stripe_error task_set_not_found token_error upgrade_required_error usage_limit_exceeded_error user_suspended user_verification_error validation_error

Example

{
  "code": 401,
  "detail": "Authentication failed",
  "type": "authentication_error"
}

504

Gateway timeout

Media type application/json

APIErrorPayload

Canonical API error envelope returned by the API.

object

code

required

Code

HTTP status code

integer

Allowed values: 400 401 403 404 409 422 426 429 500 502 504

detail

required

Detail

Human-readable error message

string

errors

Any of:

Array<object>

Array<object>

ValidationErrorItem

object

loc

required

Loc

Where the validation error occurred

Array

msg

required

Msg

Human-readable validation message

string

type

required

Type

Machine-readable validation error type

string

null

null

type

required

Type

Stable machine-readable error type

string

Allowed values: already_exists_error app_error authentication_error conflict_error aws_error configuration_error database_error dynamodb_error e2b_error e2b_rate_limit_error expired_signature_error expired_token_error forbidden_error group_error invalid_error invalid_flag_error invalid_username_error mail_error member_exists_error member_limit_exceeded_error migration_lock_timeout_error not_found_error oauth_config_error org_sandbox_capacity_exceeded_error bad_gateway_error gateway_timeout_error s3_error server_error task_error stripe_error task_set_not_found token_error upgrade_required_error usage_limit_exceeded_error user_suspended user_verification_error validation_error

Example

{
  "code": 401,
  "detail": "Authentication failed",
  "type": "authentication_error"
}