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steipete--codexbar/docs/doubao.md
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2026-07-13 12:22:33 +08:00

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---
summary: "Doubao provider notes: API-key auth and Volcengine Ark request-limit tracking."
read_when:
- Adding or modifying the Doubao provider
- Debugging Doubao API-key setup
- Explaining Doubao usage display
---
# Doubao Provider
Doubao tracks Volcengine Ark request-limit headers by probing the chat-completions endpoint with a configured API key.
## Setup
1. Enable **Doubao** in Settings → Providers.
2. Paste an API key in the provider settings, or set `ARK_API_KEY`, `VOLCENGINE_API_KEY`, or `DOUBAO_API_KEY`.
3. Refresh provider usage.
## Behavior
- Endpoint: `POST https://ark.cn-beijing.volces.com/api/coding/v3/chat/completions`
- Probe models: `doubao-seed-2.0-code`, `doubao-1.5-pro-32k`, `doubao-lite-32k`
- Reads `x-ratelimit-remaining-requests`, `x-ratelimit-limit-requests`, and `x-ratelimit-reset-requests` when returned.
- If the key is valid but rate-limit headers are missing, CodexBar shows the key as active and links to the dashboard for details.