SparkAPI
One key. Three frontier APIs.
<p>One <b style="color:#a78bfa">API key</b> to <b>Claude Sonnet 4.6 / Opus 4.8 / Haiku 4.5 / GPT-5.5 / Gemini</b> — no VPN, no multiple accounts, pay per token, balance never expires. Works with Claud
Everything you need, nothing you don't
One key routes Claude, GPT, and Gemini through their native protocols — with usage you can watch and billing you can predict.
Pay-as-you-go
No subscription, no minimums. Top up any amount, use what you need.
Instant key
Get your API key right after payment. No KYC, no waiting, no SMS.
One key, three APIs
Anthropic Messages, OpenAI Responses, Google Gemini — single key, smart routing.
Live usage stats
Check spend and quota any time on the stats page with your own key.
Drop-in compatible
Works with Claude Code, Codex CLI, Gemini CLI, LangChain, OpenAI/Anthropic SDKs.
Streaming + tools
Full SSE streaming and tool-use support — same wire format as upstream.
Live in three steps
From zero to your first request in a couple of minutes.
Get your key
Top up and receive an API key instantly — no identity check, no waiting.
Point your tool at the gateway
Change the base URL and paste your key. Your existing SDK or CLI keeps working.
Ship
Call Claude, GPT, and Gemini through one key. Watch spend live on the stats page.
Pay for what you use
No subscription and no minimum — you're billed by real token usage at official rates.
⚡ Per-token pricing · balance never expires
| Claude Sonnet 4.6 | $3.00 / 1M input |
| Claude Sonnet 4.8 | $15.00 / 1M input |
| Claude Sonnet 4.5 | $0.80 / 1M input |
| GPT-5.5 | $5.00 / 1M input |
| Gemini 2.5 Pro | $1.25 / 1M input |
Volume bonus: top up $100 / $300 / $1000 / $2000 to unlock 5% / 10% / 15% / 20% extra credit.
Refund: full refund within 24h if unused. Pay with WeChat Pay, Alipay, PayPal, or credit card.
Production endpoints
Compatible with the official wire formats — point your existing SDK at the URL below and use your key.
60-second integration
Set two environment variables, run your existing tool. That's it.
# ~/.bashrc export ANTHROPIC_BASE_URL="https://api.sparkapi.cc" export ANTHROPIC_AUTH_TOKEN="cr_..." claude
# ~/.codex/config.toml [model_providers.provider] name="provider" base_url="https://api.sparkapi.cc/openai/v1" env_key="OPENAI_API_KEY"
# ~/.gemini/.env GOOGLE_GEMINI_BASE_URL="https://api.sparkapi.cc/gemini" GEMINI_API_KEY="cr_..."
Already using another client? Point its base URL at the gateway and paste your key.
Models routed through this gateway
Latest production models from each vendor — keep your client up to date and new models become available automatically.
| Model | Context | Best for |
|---|---|---|
| claude-fable-5 anthropic | 1M | flagship · agent |
| claude-opus-5 anthropic | 1M | flagship · agent |
| claude-opus-4-8 anthropic | 1M | agent |
| claude-sonnet-4-6 anthropic | 200K · 1M | code · long context |
| claude-haiku-4-5 anthropic | 200K | fast · cheap |
| gpt-5.6-sol openai | 400K | flagship · reasoning |
| gpt-5.6-terra openai | 400K | balanced |
| gpt-5.6-luna openai | 400K | fast · low cost |
| gpt-5.5 openai | 400K | reasoning |
| gpt-5.5-codex openai | 400K | code · agent |
| gpt-5.4-mini openai | 400K | low latency |
| gemini-3.1-pro google | 2M | flagship · multimodal |
| gemini-2.5-pro google | 2M | long context · search |
| gemini-2.5-flash google | 1M | fast · cheap |
Track every request
Enter your key on the stats page to see today's spend, remaining quota, and rate limits — updated live.
Questions, answered
Do I need to verify my identity?
Which tools and SDKs work?
How am I billed?
Is my data stored?
How do I check my usage?
Get in touch
Ready to build?
One key, three frontier model families, and usage you can watch in real time.