---
title: "List API public v1 pulse cohort bias history"
method: GET
path: "/api/public/v1/pulse/cohort-bias/history"
---

# List API public v1 pulse cohort bias history

`GET /api/public/v1/pulse/cohort-bias/history`

## Request

- Base URL: `https://api.coinversa.ai`
- URL: `https://api.coinversa.ai/api/public/v1/pulse/cohort-bias/history`
- Auth: API key in header `X-API-Key`
- TypeScript: <https://skmtc.dev/coinversa/apis/coinversa-api/docs/api/public/v1/pulse/cohort-bias/history/get.ts> (a function with typed inputs; its response is checked against the schema)

## Query parameters

- `coin` string
- `since` string
- `startTime` string
- `endTime` string

## Response `200`

OK

- CohortBiasSnapshot[], nullable
  - `accountCount` integer, required
  - `coin` string, required
  - `longNotional` number, double, required
  - `netBias` number, double, required: Notional-weighted bias percent: 100 * (longNotional - shortNotional) / (longNotional + shortNotional), from -100 to +100; zero when no notional.
  - `shortNotional` number, double, required
  - `tier` string, required
  - `tierType` string, required
  - `timestamp` integer, required

## Other responses

- `400`: Bad Request
- `403`: Forbidden
- `422`: Unprocessable Entity
- `429`: Too Many Requests
- `500`: Internal Server Error
- `504`: Gateway Timeout

## Changes

- **2026-09-23** `f2eba29805e5`: 7 info
  - added the non-success response with the status `403`
  - removed the non-success response with the status `401`
  - added the optional property `reason` to the response with the `400` status
  - added the optional property `reason` to the response with the `422` status
  - …3 more

[Operation history](https://skmtc.dev/coinversa/apis/coinversa-api/changes/api/public/v1/pulse/cohort-bias/history/get.md)

---

[API](https://skmtc.dev/coinversa/apis/coinversa-api.md) - [All operations](https://skmtc.dev/coinversa/apis/coinversa-api/llms.txt) - [OpenAPI document](https://skmtc.dev/coinversa/apis/coinversa-api/revisions/3454317a5830?raw)