---
title: "Get data by M4ID"
method: GET
path: "/bioactivity/data/search/by-m4id/{m4id}"
tags: ["Bioactivity Data Resource"]
---

# Get data by M4ID

`GET /bioactivity/data/search/by-m4id/{m4id}`

return data for given Level 4 ID (M4ID), corresponding to the individual modeled endpoint-sample concentration-response

## Path parameters

- `m4id` integer, required

---

[API](https://skmtc.net/usepa/apis/computational-toxicology-and-exposure-ctx-apis-ctx-bioactivi.md) · [All operations](https://skmtc.net/usepa/apis/computational-toxicology-and-exposure-ctx-apis-ctx-bioactivi/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/usepa/computational-toxicology-and-exposure-ctx-apis-ctx-bioactivi/revisions/ce450cf5f3f1/schema)