yangmao.ai · Free API intent page
DEMON Free API Guide
DEMON has a tracked free API path, with Unlimited self-hosted and rate limit notes of Local/self-hosted.
Quick verdict
- Free API: Unlimited self-hosted
- Rate limits: Local/self-hosted
- Best model starting point: Diffusion Engine for Musical Orchestrated Noise
- Mainland China access: proxy/relay likely needed
Provider fit matrix
Production readiness checklist
Python setup snapshot
Start with the smallest possible chat completion, then move the key to your server-side secret manager before production.
from openai import OpenAI
client = OpenAI(
api_key="your-demon-key",
# Check DEMON docs for its OpenAI-compatible base URL
)
response = client.chat.completions.create(
model="Diffusion Engine for Musical Orchestrated Noise",
messages=[{"role": "user", "content": "Hello from yangmao.ai"}],
)
print(response.choices[0].message.content)cURL smoke test
Use this to verify endpoint, auth header, model name, response shape, and quota before adding SDK abstractions.
curl https://api.provider.example/v1/chat/completions \
-H "Authorization: Bearer $DEMON_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "Diffusion Engine for Musical Orchestrated Noise",
"messages": [{"role": "user", "content": "Hello from yangmao.ai"}]
}'Free API and pricing notes
Unlimited self-hosted
Project provides a local Session API; README also links to hosted trial at music.daydream.live.
Access and production risk
Relay or proxy may be needed
DEMON is an MIT-licensed streaming music/audio diffusion engine built on ACE-Step, with local deployment, TensorRT acceleration, node graph, and hosted demo.
Decision checklist
Check DEMON free credits and rate limits.
Compare same-category providers and Mainland China access needs.
Pick the provider with the clearest no-card/free API path for testing.
DEMON production validation table
Use this table before sending real users, scheduled agents, or paid traffic to DEMON. The goal is to validate source freshness, quota behavior, regional access, and fallback needs instead of trusting a stale free-credit claim.
Credit-change alerts
Want to know when free credits, pricing, or availability changes? Subscribe first, then compare official providers, API gateways, and alternatives.
Subscribe → Get an OpenLLMAPI key → Compare API gateways →Related internal links
Source snapshot
Data source: yangmao.ai provider YAML tracker plus provider docs reviewed by the daily crawler. Official dashboards can change quota and pricing without notice; verify before production.
- yangmao.ai provider id
- demon
- Official source
- https://github.com/daydreamlive/DEMON
- Last updated
- 2026-06-16
- Free tier
- MIT open source; hosted demo also available
- API credits
- Unlimited self-hosted
- Rate limit
- Local/self-hosted
- Access note
- DEMON is an MIT-licensed streaming music/audio diffusion engine built on ACE-Step, with local deployment, TensorRT acceleration, node graph, and hosted demo.
FAQ
Does DEMON have a free API?
Yes. Current yangmao.ai record: Unlimited self-hosted. Rate limit note: Local/self-hosted.
Is DEMON OpenAI-compatible?
The recorded setup uses an OpenAI-compatible pattern or SDK-style call. Validate the latest base URL and model names in DEMON docs.
Can I use DEMON from mainland China?
DEMON may need a proxy or relay from mainland China. Test latency and signup before production.
What should I do when DEMON credits run out?
Compare the alternatives below, check /en/free-ai-api/, and shortlist official providers or API gateway options before production.