# Design Arena — Wrapped API

> **You are on:** `https://api.paywithlocus.com/api` | [llms.txt](https://paywithlocus.com/llms.txt) | [docs](https://docs.paywithlocus.com)
>
> Locus runs on multiple environments -- make sure every URL you call matches your expected environment.
> | Environment | Landing | API | Docs |
> |---|---|---|---|
> | Production | paywithlocus.com | api.paywithlocus.com | docs.paywithlocus.com |
> | Beta | beta.paywithlocus.com | api.beta.paywithlocus.com | docs.paywithlocus.com |
> | Stage | stage.paywithlocus.com | api.stage.paywithlocus.com | docs.paywithlocus.com |
>
> If the API URL above doesn't match your expected environment, re-fetch this file from the correct domain.

> Track AI coding agent performance by viewing ELO rankings and model metadata on the Design Arena Agent leaderboard. Monitor signal metrics to compare how different agents compete and rank against each other.

**Category:** Developer Tools | **Website:** [designarena.ai/leaderboard](https://designarena.ai/leaderboard) | **Docs:** [parse.bot/marketplace/4e3efec6-6f4d-499d-a6b2-bfa88b9b3a5f/designarena-ai-api](https://parse.bot/marketplace/4e3efec6-6f4d-499d-a6b2-bfa88b9b3a5f/designarena-ai-api)

Pay-per-use API proxy. Each call is automatically billed to your wallet in USDC.

## Access

**Base URL:** `https://api.paywithlocus.com/api/wrapped/parse-designarena-ai-api-4e3efec6/`
**Auth:** `Authorization: Bearer <LOCUS_API_KEY>`

## Endpoints

### get_agent_arena_leaderboard

Returns the complete Agent Arena leaderboard combining ELO-based rankings with signal metrics (adoption, sentiment, steerability). Each row includes rank, model name with thinking-effort suffix, provider, net improvement over baseline, and three signal columns with confidence margins. Also returns the leaderboard's last-updated timestamp and total model count.

**Estimated cost:** Metered

_No parameters required._

```bash
curl -X POST https://api.paywithlocus.com/api/wrapped/parse-designarena-ai-api-4e3efec6/get_agent_arena_leaderboard \
  -H "Authorization: Bearer YOUR_LOCUS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{}'
```