# HEY Research Lab Contracts API

**Canonical:** https://apis.io/apis/heyresearch-xyz/heyresearch-xyz-contracts-api/  
**Provider:** HEY Research Lab — https://apis.io/providers/heyresearch-xyz/  
**Base URL:** https://heyresearch.xyz  
**Documentation:** https://heyresearch.xyz/docs/public-api

HEY Research Lab Contracts API is one of 9 APIs that [HEY Research Lab](https://apis.io/providers/heyresearch-xyz/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Contracts. The published artifact set on APIs.io includes an OpenAPI specification.

Contracts as research entities.

## Operations (5)

| Method | Path | Summary |
|---|---|---|
| GET | `/api/projects/{slug}/contracts` | The project's contracts |
| GET | `/api/contracts/{chainId}/{address}` | One contract as a research entity |
| GET | `/api/chain/contract-changes` | Evidence-backed contract changes on published projects |
| GET | `/api/v4-hooks` | Uniswap v4 hooks HEY ties to a published project |
| GET | `/api/v4-hooks/{address}` | One Uniswap v4 hook: who HEY ties it to, and what HEY does not know |

## Machine-readable artifacts (1)

- **OpenAPI** — https://artifacts.apis.io/heyresearch-xyz/openapi/heyresearch-xyz-contracts-api-openapi.yml

## Other HEY Research Lab APIs (8)

- [HEY Research Lab Agents API](https://apis.io/apis/heyresearch-xyz/heyresearch-xyz-agents-api/)
- [HEY Research Lab Evidence API](https://apis.io/apis/heyresearch-xyz/heyresearch-xyz-evidence-api/)
- [HEY Research Lab Hey API](https://apis.io/apis/heyresearch-xyz/heyresearch-xyz-hey-api/)
- [HEY Research Lab Market API](https://apis.io/apis/heyresearch-xyz/heyresearch-xyz-market-api/)
- [HEY Research Lab Partners API](https://apis.io/apis/heyresearch-xyz/heyresearch-xyz-partners-api/)
- [HEY Research Lab Projects API](https://apis.io/apis/heyresearch-xyz/heyresearch-xyz-projects-api/)
- [HEY Research Lab Research API](https://apis.io/apis/heyresearch-xyz/heyresearch-xyz-research-api/)
- [HEY Research Lab Status API](https://apis.io/apis/heyresearch-xyz/heyresearch-xyz-status-api/)

## Tags

Contracts

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/heyresearch-xyz/heyresearch-xyz-contracts-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/heyresearch-xyz/.