DeepSeek API — V4.1 Flash & V4 Pro
Buy DeepSeek API access — V4.1 Flash and V4 Pro — at low, pay-as-you-go pricing. OpenAI-compatible.
Get a DeepSeek API key with no overseas account. APIMaster gives you DeepSeek V4.1 Flash, V4 Flash Vision, V4 Flash and V4 Pro at low pay-as-you-go pricing, billed per token. One OpenAI-compatible key also covers Claude and GPT — drop it into Cursor, Claude Code or any OpenAI SDK by changing the base URL.
Coding Plan
Coding Planに参加してDeepSeek V4 Proを50% offで利用
ほかのコーディングモデルも割引料金で利用できます：
- GLM 5.350% off
- Kimi K340% off
- MiniMax M340% off
- Qwen 3.8 Max50% off
プロバイダー 204
クラウド事業者フィンガープリント履歴
稼働状況
プロバイダー 321
フィンガープリント履歴
稼働状況
プロバイダー 29
フィンガープリント履歴
稼働状況
Every DeepSeek channel is fingerprint-checked before it's listed, so you get the real model.
DeepSeek API — 料金
| モデル | 当社価格 | 公式 | 節約 |
|---|---|---|---|
| DeepSeek V4.1 Flash | $0.09/M | $0.15/M | 40% |
| DeepSeek V4 Flash Vision | $0.22/M | $0.22/M | — |
| Deepseek-v4-flash | $0.066/M | $0.22/M | 70% |
| Deepseek-v4-pro | $0.5148/M | $0.66/M | 22% |
機能
Strong reasoning
Competitive reasoning and math performance at a fraction of the cost.
Solid coding
Reliable code generation and completion for everyday development.
Cost-efficient
Among the cheapest capable models — ideal for high-volume workloads.
ユースケース
クイックスタート
curl https://apimaster.ai/v1/chat/completions \
-H "Authorization: Bearer $APIMASTER_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "deepseek-flash",
"messages": [{ "role": "user", "content": "Hello" }]
}'DeepSeek API — よくある質問
Which DeepSeek models are available?
Currently available: deepseek-flash, deepseek-v4-flash-vision-exp, deepseek-v4-flash, deepseek-v4-pro — all reachable through one key, billed per token.
Should I choose V4.1 Flash or V4 Pro?
Use V4.1 Flash for fast, cost-sensitive and high-volume tasks; choose V4 Pro for harder reasoning and quality-critical work.
How is it billed? Is there a minimum?
Billed per token (input + output) — see the price table above. Pay-as-you-go via Alipay, WeChat Pay, USDT and credit card, from as little as $1.
Is it OpenAI-compatible?
Yes. The endpoint is OpenAI-compatible, so it works with Cursor, Claude Code and any OpenAI SDK by changing the base URL and key.
Is my data safe?
Yes. Your API data is not stored or used for training, and all requests are sent over encrypted connections.