Get Email Thread

curl --request GET \
  --url https://api.example.com/v1/email/threads/{id}

{
  "data": {
    "id": "<string>",
    "subject": "<string>",
    "participants": [
      {}
    ],
    "contact_ids": [
      {}
    ],
    "deal_id": "<string>",
    "messages": [
      {
        "id": "<string>",
        "from": "<string>",
        "to": [
          {}
        ],
        "cc": [
          {}
        ],
        "sent_at": "<string>",
        "direction": "<string>",
        "body_text": "<string>",
        "body_html": "<string>",
        "attachments": [
          {}
        ]
      }
    ]
  }
}

GET

threads

{id}

Get Email Thread

curl --request GET \
  --url https://api.example.com/v1/email/threads/{id}

{
  "data": {
    "id": "<string>",
    "subject": "<string>",
    "participants": [
      {}
    ],
    "contact_ids": [
      {}
    ],
    "deal_id": "<string>",
    "messages": [
      {
        "id": "<string>",
        "from": "<string>",
        "to": [
          {}
        ],
        "cc": [
          {}
        ],
        "sent_at": "<string>",
        "direction": "<string>",
        "body_text": "<string>",
        "body_html": "<string>",
        "attachments": [
          {}
        ]
      }
    ]
  }
}

Request

Path Parameters

string

required

Thread identifier, as returned by GET /v1/email/threads.

Query Parameters

include_body

boolean

default:"true"

When true, the full HTML and text body of each message is returned. Set to false for a lightweight summary response.

Headers

Authorization: Bearer wbk_your_api_key_here

Response

data

object

Show properties

string

Thread identifier

subject

string

Thread subject

participants

array

Email addresses involved in the thread

contact_ids

array

Linked contact UUIDs

deal_id

string

Linked deal UUID, if any

messages

array

Ordered array of messages, oldest first

Show Message object

string

Message identifier

from

string

Sender address

array

Recipient addresses

array

CC addresses

sent_at

string

ISO 8601 timestamp

direction

string

inbound or outbound

body_text

string

Plain-text body, when include_body=true

body_html

string

HTML body, when include_body=true

attachments

array

Metadata for each attachment (filename, mime_type, size_bytes)

Every response returns X-RateLimit-Limit, X-RateLimit-Remaining, X-RateLimit-Reset, and X-Request-ID headers.

curl https://data.leadlex.com/functions/v1/api-gateway/v1/email/threads/18c9a4b2e7ff21aa \
  -H "Authorization: Bearer wbk_your_api_key_here"

Example Response

{
  "data": {
    "id": "18c9a4b2e7ff21aa",
    "subject": "Proposal for Series B counsel",
    "participants": ["jane@example.com", "team@emasex.de"],
    "contact_ids": ["123e4567-e89b-12d3-a456-426614174000"],
    "deal_id": null,
    "messages": [
      {
        "id": "m1",
        "from": "jane@example.com",
        "to": ["team@emasex.de"],
        "cc": [],
        "sent_at": "2026-04-15T09:01:00Z",
        "direction": "inbound",
        "body_text": "Can you send over your standard engagement letter?",
        "body_html": "<p>Can you send over your standard engagement letter?</p>",
        "attachments": []
      }
    ]
  }
}

Errors

Status	Code	Description
401	`invalid_key`	Invalid or expired API key
403	`insufficient_permissions`	Missing `read:email` permission
404	`not_found`	No thread with the given ID exists in this workspace
429	`rate_limited`	Rate limit exceeded

List Email Threads Trigger Email Sync

​Request

​Path Parameters

​Query Parameters

​Headers

​Response

​Example Response

​Errors

Request

Path Parameters

Query Parameters

Headers

Response

Example Response

Errors