---
title: "Get API public v1 hip4 cross product overlap"
method: GET
path: "/api/public/v1/hip4/cross-product/overlap"
---

# Get API public v1 hip4 cross product overlap

`GET /api/public/v1/hip4/cross-product/overlap`

## Request

- Base URL: `https://api.coinversa.ai`
- URL: `https://api.coinversa.ai/api/public/v1/hip4/cross-product/overlap`
- Auth: API key in header `X-API-Key`
- TypeScript: <https://skmtc.dev/coinversa/apis/coinversa-api/docs/api/public/v1/hip4/cross-product/overlap/get.ts> (a function with typed inputs; its response is checked against the schema)

## Query parameters

- `days` integer: Look-back window in days (default 7, max 30)

## Response `200`

OK

- CrossProductOverlapBody
  - `$schema` string, uri: A URL to the JSON Schema for this object.
  - `hip4TradersTotal` integer, required: Distinct wallets with at least one HIP-4 outcome fill in the window.
  - `overlap` integer, required: Wallets in both sets.
  - `overlapDenominator` string, required: Name of the field used as overlapPct's denominator (hip4TradersTotal).
  - `overlapPct` number, double, required: 100 * overlap / <overlapDenominator>, one decimal.
  - `perpDefinition` string, required: How perpTradersTotal and overlap define a perp trader.
  - `perpTradersTotal` integer, required: Distinct wallets in the perp universe (see perpDefinition) in the window.
  - `since` string, required: RFC3339 start of the window (now - days, clamped to HIP-4 mainnet launch).

## 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`: 9 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
  - …5 more

[Operation history](https://skmtc.dev/coinversa/apis/coinversa-api/changes/api/public/v1/hip4/cross-product/overlap/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)