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InvokeAI cURL API Setup

Use cURL to smoke-test InvokeAI before wiring SDK code. Confirm the exact endpoint, model name, and quota in the provider dashboard.

Open official provider → Get one OpenAI-compatible key → Compare API gateway options →

Quick verdict

Free API: Unlimited self-hosted
Rate limits: Local/self-hosted
Best model starting point: Invoke creative engine
Mainland China access: proxy/relay likely needed

Provider fit matrix

Best fit Image generation prototypes, creative automation, and media workflows

Watch out Image/video credits can burn faster than chat tokens; test with small batches first

Production fallback Keep a hosted OpenAI-compatible fallback for spikes and outages

Production readiness checklist

Quota gate Start inside Unlimited self-hosted; log usage before adding retries or batch jobs.

No-card check Try the free path first, then confirm whether billing is required for API keys, higher RPM, or production endpoints.

Regional smoke test Run signup, dashboard, DNS, TLS, and first API call checks from mainland China before launch.

Source freshness Snapshot date: 2026-05-28; official quota and pricing can change without notice.

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 $INVOKEAI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "Invoke creative engine",
    "messages": [{"role": "user", "content": "Hello from yangmao.ai"}]
  }'

Free API and pricing notes

Unlimited self-hosted

Can run locally as a creative workflow/service; costs for external API models depend on user configuration.

Access and production risk

Relay or proxy may be needed

InvokeAI is an Apache-2.0 open-source creative engine for visual media with local install, Web UI, canvas, workflows, and support for modern image-model ecosystems.

How to set it up

Create an API key and copy the provider endpoint from official docs.

Export the key into your shell session.

Send a minimal chat completion payload with cURL.

Check status code, JSON body, and rate-limit headers.

Move the tested endpoint into your app or fallback relay.

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 →

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: invokeai
Official source: https://invoke.ai/
Last updated: 2026-05-28
Free tier: Apache-2.0 open source; free local use
API credits: Unlimited self-hosted
Rate limit: Local/self-hosted
Access note: InvokeAI is an Apache-2.0 open-source creative engine for visual media with local install, Web UI, canvas, workflows, and support for modern image-model ecosystems.

FAQ

Does InvokeAI have a free API?

Yes. Current yangmao.ai record: Unlimited self-hosted. Rate limit note: Local/self-hosted.

Is InvokeAI OpenAI-compatible?

The recorded setup uses an OpenAI-compatible pattern or SDK-style call. Validate the latest base URL and model names in InvokeAI docs.

Can I use InvokeAI from mainland China?

InvokeAI may need a proxy or relay from mainland China. Test latency and signup before production.

What should I do when InvokeAI credits run out?

Compare the alternatives below, check /en/free-ai-api/, and shortlist official providers or API gateway options before production.