Stable Claude & GPT API access
59API is a unified API for Claude Code, Codex and OpenAI-compatible clients. Now with GPT-6.1 Sol / GPT-6 Astra plus Claude. Sign up, top up, metered billing — no monthly plan.
01Running into these problems too?
Subscriptions cost too much
Every AI needs its own subscription and monthly costs pile up.
Accounts are hard to manage
Keys scattered across platforms are a hassle.
Unstable service
Single accounts hit limits and errors constantly.
Usage you can't control
No idea where the money goes, no way to cap usage.
One slip and you get banned
Self-registered official accounts get flagged and banned, wiping your balance.
02Why teams choose us
Pay as you go
Prepaid balance, per-token billing with full cache accounting. No subscription.
Drop-in compatible
Works with Claude Code, Codex and any OpenAI SDK — just change the base URL.
Refer & earn
Invite friends and earn 15% cash back on every top-up they make — withdrawable.
03Why choose 59API?
| Item | Official / DIY | 59API |
|---|---|---|
| Payment | ✕ Fixed monthly fee — pay even if unused | ✓ Pay-as-you-go, only for what you use |
| Price | ✕ Full official price | ✓ As low as 10% of official |
| Models | ✕ Single provider | ✓ Switch freely between Claude / GPT / Gemini |
| Ban risk | ✕ One slip = banned | ✓ Risk-isolated, worry-free |
| Top-up | — | ✓ WeChat / card (Alipay coming) |
| Refund / invoice | ✕ Usually none | ✓ Refundable · invoices available |
04Get started in three steps
Create an account
Sign up free and create an API key in the dashboard.
Top up balance
Add prepaid credit; usage is deducted per request.
Point your client
Set the base URL in Claude Code, Codex or any SDK.
05These tools connect directly
Just change the base URL — connect your daily workflow in a few steps.
06Monthly plans · flat price, more usage
Pay once and use it within the validity period (30 days for monthly cards, 7 for weekly). Quota is counted in metering USD ($) and drained at (plan metering price × rate). A Claude card covers Claude models only and a GPT card covers GPT models only, each through its own card key. When the quota or weekly cap is spent, that key returns HTTP 402 and your balance is not touched.
Claude plans
C-PRO 入门版
C-PRO 标准版
C-PRO 旗舰版
C-MAX 入门版
C-MAX 标准版
C-MAX 旗舰版
GPT plans
G-PRO 入门版
G-PRO 标准版
G-PRO 旗舰版
Weekly passes
【周卡】G-PRO $1500
【周卡】C-PRO $600
【周卡】C-MAX $600
Enterprise
G-PRO 企业标准版
C-PRO 企业标准版
G-PRO 企业旗舰版
C-MAX 企业标准版
C-PRO 企业旗舰版
C-MAX 企业旗舰版
How it works: quota is counted in metering USD; each request on a card key drains (plan metering price × rate) from that card. When the quota or weekly cap is spent the key returns HTTP 402 and does not use your balance, and a balance key does not draw on a card. Unused quota does not roll over.
07Popular models · GPT-6
| Model | Type | Input / 1M | Output / 1M |
|---|---|---|---|
| Claude Opus 5.5 claude-opus-5-5 |
anthropic | $1.53 | $7.22 |
| Claude Sonnet 5.5 claude-sonnet-5-5 |
anthropic | $1.11 | $5.56 |
| Claude Haiku 4.5 claude-haiku-4-5-20251001 |
anthropic | $0.3472 | $1.67 |
| GPT-6 Astra gpt-6-astra |
openai | $0.6944 | $3.47 |
| GPT-6.1 Sol gpt-6.1-sol |
openai | $0.1847 | $0.9264 |
| GPT-5.6 Sol gpt-5.6-sol |
openai | $0.3472 | $1.94 |
| Qwen3.6 Plus Uncensored qwen3.6-plus-uncensored |
surplus | $0.4167 | $2.22 |
≈ USD per 1M tokens (billed in CNY). Full price list →
Ready to integrate?
Create an account and API key in minutes, then call major models.
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