No daily caps. No monthly lock-in. Usage-based access that never expires. Pay with USDT — no credit card required.
SparkAPI is a managed API gateway that handles authentication, routing, and billing infrastructure — so you can focus on building.
Top up once, use whenever. No monthly reset, no pressure to "use it or lose it."
We handle uptime, routing, and multi-model authentication. One key, all models, zero ops overhead.
No US credit card needed. Send USDT on TRC20 and get your key within 30 minutes.
Works with Claude Code, Cursor, and any tool that reads ANTHROPIC_BASE_URL. One env var change.
Anthropic-equivalent API rates. No markup on usage, no surprise fees.
| Anthropic Official | SparkAPI | |
|---|---|---|
| $500 equivalent usage | $500 | $45 |
| $1,000 equivalent usage | $1,000 | $90 |
| Usage balance expires | Monthly reset | Never |
| Monthly commitment | Required | None |
| Payment method | Credit card only | USDT (crypto) |
🎁 Free $5 trial — no commitment
Contact us to claim. Money-back guarantee if API doesn't work within 24h.Works with Claude Code, Cursor, and any Anthropic-compatible tool.
Send USDT to activate your managed API access and email your payment screenshot.
Receive your personal API key within 30 minutes.
Add two env vars and launch Claude Code. That's it.
# Add these two lines to your shell profile export ANTHROPIC_BASE_URL=https://api.sparkapi.cc/api export ANTHROPIC_API_KEY=cr_your_key_here # Reload and test source ~/.zshrc claude "say hi"
Send USDT → email screenshot → get your key in 30 min.
Wallet Address:
⚠️ Do NOT send via ERC20 or BEP20 — funds will be lost
After Payment:
No. Your usage balance stays in your account indefinitely. Activate once, use whenever you need.
No hard daily cap. You can run intensive sessions 24/7 without hitting a wall.
Claude Sonnet 4.6, Opus 4.8, Haiku 4.5, GPT-5.5 (Codex), and the full Gemini series — all through the same key.
Contact us at support@sparkapi.cc and we'll send you your current balance within a few hours.
Full refund within 24 hours of purchase, no questions asked.
We use an authorized API relay provider. Your prompts are never logged or stored by us.