Thread Endpoints

Overview

Threads represent conversation sessions between users and the Loom AI agent. Each thread contains a sequence of messages, tool calls, and execution state. Ownership: Users can only access threads they own. System administrators can access all threads.

Create or Update Thread

PUT /api/threads/{id}

Creates a new thread or updates an existing one. Supports optimistic concurrency control via the If-Match header.

Path Parameters

string

required

Thread ID (must match ID in request body)

Headers

If-Match

integer

Expected thread version for optimistic locking

Request Body

Send the full Thread object (see loom-common-thread schema):

string

required

Thread ID (must match path parameter)

title

string

Thread title

workspace

string

Workspace root path

visibility

string

required

Visibility level: "private", "shared", or "public"

messages

array

required

Array of message objects

version

integer

required

Thread version (increment on each update)

updated_at

string

required

ISO 8601 timestamp (server will overwrite)

Response

string

Thread ID

version

integer

New version number after upsert

updated_at

string

ISO 8601 timestamp of last update

Example

curl -X PUT https://loom.ghuntley.com/api/threads/thread_abc123 \
  -H "Authorization: Bearer loom_sk_..." \
  -H "Content-Type: application/json" \
  -H "If-Match: 5" \
  -d '{
    "id": "thread_abc123",
    "title": "Fix login bug",
    "workspace": "/home/user/project",
    "visibility": "private",
    "messages": [...],
    "version": 5,
    "updated_at": "2026-03-03T12:00:00Z"
  }'

Response (200 OK):

{
  "id": "thread_abc123",
  "title": "Fix login bug",
  "workspace": "/home/user/project",
  "visibility": "private",
  "messages": [...],
  "version": 6,
  "updated_at": "2026-03-03T12:05:30Z"
}

Error (409 Conflict) if version mismatch:

{
  "error": "version_conflict",
  "message": "Expected version 5, but current version is 7"
}

Get Thread

GET /api/threads/{id}

Retrieves a single thread by ID. Only the thread owner (or system admin) can access.

Path Parameters

string

required

Thread ID

Response

Returns the full Thread object.

Example

curl -H "Authorization: Bearer loom_sk_..." \
  https://loom.ghuntley.com/api/threads/thread_abc123

{
  "id": "thread_abc123",
  "title": "Fix login bug",
  "workspace": "/home/user/project",
  "visibility": "private",
  "messages": [
    {
      "role": "user",
      "content": "Help me fix the login bug",
      "timestamp": "2026-03-03T12:00:00Z"
    },
    {
      "role": "assistant",
      "content": "I'll help you investigate the login bug.",
      "timestamp": "2026-03-03T12:00:15Z"
    }
  ],
  "version": 6,
  "updated_at": "2026-03-03T12:05:30Z",
  "created_at": "2026-03-01T10:00:00Z"
}

Error (404 Not Found) if thread doesn’t exist or user doesn’t own it:

{
  "error": "not_found",
  "message": "Thread not found"
}

List Threads

GET /api/threads

Lists threads owned by the authenticated user. Supports filtering by workspace and pagination.

Query Parameters

workspace

string

Filter by workspace root path

limit

integer

default:"50"

Maximum number of results (1-100)

offset

integer

default:"0"

Number of results to skip for pagination

Response

threads

array

Array of ThreadSummary objects (lightweight version without full message history)

total

integer

Total number of threads matching the filter

limit

integer

Limit from request

offset

integer

Offset from request

Example

curl "https://loom.ghuntley.com/api/threads?workspace=/home/user/project&limit=20&offset=0" \
  -H "Authorization: Bearer loom_sk_..."

{
  "threads": [
    {
      "id": "thread_abc123",
      "title": "Fix login bug",
      "workspace": "/home/user/project",
      "visibility": "private",
      "message_count": 12,
      "updated_at": "2026-03-03T12:05:30Z",
      "created_at": "2026-03-01T10:00:00Z"
    },
    {
      "id": "thread_def456",
      "title": "Add user settings page",
      "workspace": "/home/user/project",
      "visibility": "private",
      "message_count": 8,
      "updated_at": "2026-03-02T15:30:00Z",
      "created_at": "2026-03-02T14:00:00Z"
    }
  ],
  "total": 47,
  "limit": 20,
  "offset": 0
}

Delete Thread

DELETE /api/threads/{id}

Soft-deletes a thread. Only the thread owner (or system admin) can delete.

Path Parameters

string

required

Thread ID

Response

Returns 204 No Content on success.

Example

curl -X DELETE https://loom.ghuntley.com/api/threads/thread_abc123 \
  -H "Authorization: Bearer loom_sk_..."

Response: 204 No Content Error (404 Not Found) if thread doesn’t exist or user doesn’t own it.

Update Thread Visibility

POST /api/threads/{id}/visibility

Updates only the thread visibility without syncing the full thread content. Supports optimistic locking.

Path Parameters

string

required

Thread ID

Headers

If-Match

integer

Expected thread version

Request Body

visibility

string

required

New visibility: "private", "shared", or "public"

Response

Returns the updated Thread object with incremented version.

Example

curl -X POST https://loom.ghuntley.com/api/threads/thread_abc123/visibility \
  -H "Authorization: Bearer loom_sk_..." \
  -H "If-Match: 6" \
  -H "Content-Type: application/json" \
  -d '{"visibility": "shared"}'

{
  "id": "thread_abc123",
  "title": "Fix login bug",
  "visibility": "shared",
  "version": 7,
  "updated_at": "2026-03-03T13:00:00Z",
  ...
}

Search Threads

GET /api/threads/search

Full-text search across thread titles and messages. Searches only threads owned by the authenticated user.

Query Parameters

string

required

Search query

workspace

string

Filter by workspace root

limit

integer

default:"50"

Maximum number of results

offset

integer

default:"0"

Pagination offset

Response

hits

array

Array of search results with relevance scores

hits[].summary

object

ThreadSummary object

hits[].score

number

Relevance score (higher = more relevant)

limit

integer

Limit from request

offset

integer

Offset from request

Example

curl "https://loom.ghuntley.com/api/threads/search?q=login+bug&limit=10" \
  -H "Authorization: Bearer loom_sk_..."

{
  "hits": [
    {
      "summary": {
        "id": "thread_abc123",
        "title": "Fix login bug",
        "workspace": "/home/user/project",
        "message_count": 12,
        "updated_at": "2026-03-03T12:05:30Z"
      },
      "score": 0.92
    },
    {
      "summary": {
        "id": "thread_ghi789",
        "title": "Login form validation",
        "workspace": "/home/user/project",
        "message_count": 5,
        "updated_at": "2026-02-28T09:00:00Z"
      },
      "score": 0.67
    }
  ],
  "limit": 10,
  "offset": 0
}

Error (400 Bad Request) if search query is empty:

{
  "error": "bad_request",
  "message": "Empty search query"
}

HTTP API

CLI Commands

Thread Endpoints

Overview

Create or Update Thread

Path Parameters

Headers

Request Body

Response

Example

Get Thread

Path Parameters

Response

Example

List Threads

Query Parameters

Response

Example

Delete Thread

Path Parameters

Response

Example

Update Thread Visibility

Path Parameters

Headers

Request Body

Response

Example

Search Threads

Query Parameters

Response

Example

​Overview

​Create or Update Thread

​Path Parameters

​Headers

​Request Body

​Response

​Example

​Get Thread

​Path Parameters

​Response

​Example

​List Threads

​Query Parameters

​Response

​Example

​Delete Thread

​Path Parameters

​Response

​Example

​Update Thread Visibility

​Path Parameters

​Headers

​Request Body

​Response

​Example

​Search Threads

​Query Parameters

​Response

​Example

Overview

Create or Update Thread

Path Parameters

Headers

Request Body

Response

Example

Get Thread

Path Parameters

Response

Example

List Threads

Query Parameters

Response

Example

Delete Thread

Path Parameters

Response

Example

Update Thread Visibility

Path Parameters

Headers

Request Body

Response

Example

Search Threads

Query Parameters

Response

Example