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POST
/
v1
/
threads
Create and start thread
curl --request POST \
  --url https://capy.ai/api/v1/threads \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "projectId": "<string>",
  "prompt": "<string>",
  "model": "claude-opus-4-7",
  "speed": "fast",
  "buildModel": "claude-opus-4-7",
  "buildSpeed": "fast",
  "repos": [
    {
      "repoFullName": "<string>",
      "branch": "<string>"
    }
  ],
  "browserSnapshotIds": [
    "<string>"
  ],
  "attachmentUrls": [
    "<string>"
  ]
}
'
{
  "id": "<string>",
  "projectId": "<string>",
  "title": "<string>",
  "status": "active",
  "runState": "running",
  "waitingOn": [
    "task"
  ],
  "blockedOn": [
    "auth"
  ],
  "pendingWakeups": 4503599627370495,
  "createdAt": "<string>"
}

Documentation Index

Fetch the complete documentation index at: https://docs.capy.ai/llms.txt

Use this file to discover all available pages before exploring further.

Authorizations

​
Authorization
string
header
required

API token (capy_xxxx). Generate at capy.ai/settings/tokens

Body

application/json
​
projectId
string
required
​
prompt
string
required
Minimum string length: 1
​
model
enum<string>
Available options:
claude-opus-4-7,
claude-opus-4-6,
claude-opus-4-5,
claude-sonnet-4-6,
claude-haiku-4-5,
gpt-5.5,
gpt-5.5-pro,
gpt-5.4,
gpt-5.4-mini,
gpt-5.3-codex,
gemini-3.1-pro-preview,
gemini-3-flash-preview,
grok-4-1-fast,
glm-5.1,
glm-5v-turbo,
glm-5,
deepseek-v4-pro,
glm-5-turbo,
glm-4.7,
kimi-k2.6,
qwen3-coder
​
speed
enum<string>
Available options:
fast,
standard
​
reasoning
object
​
buildModel
enum<string>
Available options:
claude-opus-4-7,
claude-opus-4-6,
claude-opus-4-5,
claude-sonnet-4-6,
claude-haiku-4-5,
gpt-5.5,
gpt-5.5-pro,
gpt-5.4,
gpt-5.4-mini,
gpt-5.3-codex,
gemini-3.1-pro-preview,
gemini-3-flash-preview,
grok-4-1-fast,
glm-5.1,
glm-5v-turbo,
glm-5,
deepseek-v4-pro,
glm-5-turbo,
glm-4.7,
kimi-k2.6,
qwen3-coder
​
buildSpeed
enum<string>
Available options:
fast,
standard
​
buildReasoning
object
​
repos
object[]
​
browserSnapshotIds
string[]
​
attachmentUrls
string<uri>[]

Response

Success

​
id
string
required
​
projectId
string
required
​
title
string | null
required
​
status
enum<string>
required

Coarse Captain run-loop status retained for compatibility. Prefer runState/waitingOn/blockedOn for completion and waiting UX.

Available options:
active,
idle,
archived
​
runState
enum<string>
required

Full computed execution state for the agent thread.

Available options:
running,
queued,
waiting,
blocked,
ready,
archived
​
waitingOn
enum<string>[]
required

Async system dependencies expected to continue without user action.

Available options:
task,
review,
ci,
timer,
worker
​
blockedOn
enum<string>[]
required

User/integration gates required before progress can continue.

Available options:
auth,
permission
​
pendingWakeups
integer
required

Pending append-and-resume notifications waiting to be processed.

Required range: 0 <= x <= 9007199254740991
​
createdAt
string
required