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POST
Create an async run

Authorizations

Authorization
string
header
default:cr_sk_your_key_here
required

Account API key from Developer Console. Keys start with cr_sk_.

Body

application/json
agent_id
string<uuid>
required

Active personal CREAO agent to run.

input
any
required

JSON input for the agent. Serialized input must be 256 KB or smaller.

model
string

Model id to run with (for example, anthropic/claude-haiku-4-5). Omit to use the default model, currently anthropic/claude-sonnet-5. Supported ids: GET /v1/models. Unknown ids return 400 MODEL_NOT_SUPPORTED; models not available on your plan return 403 MODEL_NOT_ALLOWED.

Maximum string length: 100
conversation_id
string<uuid>

Existing conversation to continue. Omit to create a new conversation.

workspace_id
string<uuid>

Personal workspace whose root uploads the agent can read. On a new conversation this value is stored. On an existing conversation it must match the bound workspace or the conversation must be unbound. Mismatch returns 409 WORKSPACE_MISMATCH. Not accepted on agent create or edit runs.

webhook_url
string<uri>

Public http or https URL for the terminal async result.

Maximum string length: 2048
should_notify
boolean

Optional. Controls whether this run should be eligible for completion notifications.

Response

Run accepted.

run_id
string<uuid>
required

Developer API run ID.

status
enum<string>
required
Available options:
pending,
running,
completed,
failed,
cancelled
agent_id
string<uuid> | null
required

Agent that ran. Creation runs return null until the agent is created, then the completed run includes the new agent ID.

conversation_id
string<uuid> | null
required

Conversation ID for follow-up runs.

model
string | null
required

Model id this run executed with. null only for runs created before model selection shipped.

workspace_id
string<uuid> | null

Personal workspace bound to this conversation, when set.

result
object

Final agent output. Completed runs commonly include text; agent-creation runs also include agent_id.

usage
object
error
object
created_at
string<date-time>
started_at
string<date-time> | null
completed_at
string<date-time> | null
webhook_delivered_at
string<date-time> | null