API reference · History

List mentions

GET/v1/history/mentions

Langbot's own phrase hits on recorded events, with the speaker, timestamps and tickers, never the surrounding text.

On this page

Auth. An API token: Authorization: Bearer lb_… (create one). Signed-in web sessions work too.

Limits. One history query per call (500 a day on Free; unlimited on Builder and Standard).

Parameters

Query parameters

Name	Type	Required	Description
`speaker`	string	no	A canonical speaker key.
`phrase`	string	no	A normalized phrase key.
`event_id`	string	no	One event (`ev_…`).
`since`	integer	no	ms epoch; default 30 days ago.
`until`	integer	no	ms epoch; default now.
`limit`	integer	no	Page size. 1 to 1000. Default `50`.

Request

Terminal

curl "https://api.langbot.ai/v1/history/mentions?speaker=powell&limit=1" \
  -H "Authorization: Bearer $LANGBOT_API_TOKEN"

Python

from langbot import LangbotClient

async with LangbotClient() as lb:  # reads LANGBOT_API_TOKEN
    for m in await lb.mentions(speaker="powell", limit=1):
        print(m.phrase, m.t_spoken, m.market_refs)

TypeScript

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

const lb = new LangbotClient(); // reads LANGBOT_API_TOKEN
const mentions = await lb.mentions({ speaker: "powell", limit: 1 });
console.log(mentions);

Response

200 OK

JSON

{
  "count": 1,
  "since": 1790800000000,
  "until": 1793392000000,
  "mentions": [
    { "id": "evt_01K7Q0000000000000000000A2", "phrase": "transitory", "speaker": "powell", "event_id": "ev_fomc_sep_2026_presser", "source_id": "src_fomc_sep_2026_public", "market_refs": ["KXFEDMENTION-26SEP-TRANSITORY"], "confidence": 0.96, "t_spoken": 1758653012000, "t_detected": 1758653012080, "t_emitted": 1758653012086, "lag_vs_public_ms": 4100, "source_kind": "hls", "seq": 2210, "verdict": { "counts": true, "reason": "mention 1 (1 needed)", "role": null } }
  ]
}

Errors

Status	`code`	When
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	`quota_exceeded`	Today's history queries are spent; `quota.resets_at` says when they reset.
429	`rate_limited`	Over your request budget; wait `Retry-After` seconds.

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