API reference · Monitoring

List fills

GET/v1/bots/{bot_id}/fills

A bot's fills, newest first, reported by the bot or attached from a linked wallet.

On this page

Auth. An account token (Authorization: Bearer lb_…) or a signed-in web session. A report-only token (lbr_…) is refused here with 403 scope_denied.

Limits. Counts against your plan's API requests (60, 600 or 3,000 a minute on Free, Builder and Standard).

Parameters

Path parameters

Name	Type	Required	Description
`bot_id`	string	yes	The bot id (`bot_…`).

Query parameters

Name	Type	Required	Description
`cursor`	string	no	`next_cursor` from the previous page.
`limit`	integer	no	Page size. 1 to 500. Default `100`.
`venue`	string	no	Only this venue.
`ticker`	string	no	Only this market.
`source`	string	no	`client` (reported by the bot) or `chain` (from a linked wallet).
`since`	integer	no	Oldest `ts`, ms epoch.
`until`	integer	no	Newest `ts`, ms epoch.

Request

Terminal

curl "https://api.langbot.ai/v1/bots/bot_01M6G72RFQRQ8JGNG8T1447GGP/fills?limit=1" \
  -H "Authorization: Bearer $LANGBOT_API_TOKEN"

Python

from langbot import LangbotClient

async with LangbotClient() as lb:  # reads LANGBOT_API_TOKEN
    page = await lb.bots.fills("bot_01M6G72RFQRQ8JGNG8T1447GGP", limit=100)
    for f in page["fills"]:
        print(f["ts"], f["ticker"], f["side"], f["action"], f["price"], f["count"])

TypeScript

import { LangbotClient } from "@langbotai/sdk";

const lb = new LangbotClient(); // reads LANGBOT_API_TOKEN
const page = await lb.bots.fills("bot_01M6G72RFQRQ8JGNG8T1447GGP", { limit: 100 });

Response

200 OK

JSON

{
  "fills": [
    {
      "client_event_id": "s1:3",
      "type": "fill",
      "ts": 1793693117653,
      "venue": "kalshi",
      "ticker": "KXMENTION-26NOV03-TARIFF",
      "side": "yes",
      "action": "sell",
      "price": 0.55,
      "count": 5.0,
      "fee": 0.04,
      "liquidity": "taker",
      "order_id": "o-2",
      "client_order_id": null,
      "text": null,
      "meta": null,
      "source": "client",
      "applied": true,
      "received_at": 1793693147656
    }
  ],
  "next_cursor": "WzE3OTM2OTMxMTc2NTMsICJzMTozIl0"
}

Errors

Status	`code`	When
404	`not_found`	No bot with that id on your account (or it was deleted).
401	`auth_required`	No token was sent.
401	`token_invalid`	The token was not recognised (mistyped, revoked or expired).
422	`validation_error`	A parameter failed validation; `detail[].loc` names it.
429	`rate_limited`	Over your request budget; wait `Retry-After` seconds.

Every error body is {"detail": …, "code": "…"}; branch on code. All codes: Errors.