yangmao.ai · Free API intent page
FLUX (Black Forest Labs) Free API Guide
FLUX (Black Forest Labs) has a tracked free API path, with Free via platforms and rate limit notes of Varies.
Quick verdict
- Free API: Free via platforms
- Rate limits: Varies
- Best model starting point: FLUX.1 [schnell]
- 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.
import fal_client
result = fal_client.subscribe("fal-ai/flux/dev",
arguments={"prompt": "A beautiful sunset over mountains", "image_size": "landscape_16_9"})
print(result["images"][0]["url"])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 $FLUX_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "FLUX.1 [schnell]",
"messages": [{"role": "user", "content": "Hello from yangmao.ai"}]
}'Free API and pricing notes
Free via platforms
Free via Replicate/HuggingFace and other platforms
Access and production risk
Relay or proxy may be needed
API platforms need proxy. Local deployment needs no network. ComfyUI is best local option.
Decision checklist
Check FLUX (Black Forest Labs) 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.
额度变动提醒
想知道免费额度、价格或可用性变化？先订阅提醒，后续也可以对比官方平台、API 网关和同类替代方案。
订阅提醒 → 获取 OpenLLMAPI Key → 比较 API 网关 →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
- flux
- Official source
- https://blackforestlabs.ai
- Last updated
- 2026-06-03
- Free tier
- Free via third-party platforms
- API credits
- Free via platforms
- Rate limit
- Varies
- Access note
- API platforms need proxy. Local deployment needs no network. ComfyUI is best local option.
FAQ
Does FLUX (Black Forest Labs) have a free API?
Yes. Current yangmao.ai record: Free via platforms. Rate limit note: Varies.
Is FLUX (Black Forest Labs) OpenAI-compatible?
This snapshot uses a provider-specific OpenAI SDK example. If your app requires one stable OpenAI-compatible endpoint, use an aggregator or relay after checking FLUX (Black Forest Labs) docs.
Can I use FLUX (Black Forest Labs) from mainland China?
FLUX (Black Forest Labs) may need a proxy or relay from mainland China. Test latency and signup before production.
What should I do when FLUX (Black Forest Labs) credits run out?
Compare the alternatives below, check /en/free-ai-api/, and shortlist official providers or API gateway options before production.