Claude API 2026 | Sonnet/Opus/Haiku Available | ngaicode

TL;DR: Claude API works 100% with the same Anthropic models — Sonnet / Opus / Haiku via standard endpoint — ngaicode sells API Keys from $1.5 to $39.99, pay with PayPal/USDT, works with Claude Code CLI, Cursor, Python, and any Anthropic client.

3 Links to Remember:

• View Claude API Key pricing: ngaicode Claude Code page
• View all 3 products overview: ngaicode Home
• Order/Inquire: WhatsApp Contact us or Telegram Contact us

What Is Claude API?

Claude API is Anthropic’s API endpoint that gives developers access to Claude models (Sonnet / Opus / Haiku) via HTTP.

For the keyword “Claude API” Google shows:

“Claude Platform: Sign In” — platform.claude.com (platform.claude.com/)

“Anthropic Academy: Claude API Development Guide” — anthropic.com (anthropic.com/learn/build-with-claude)

“Building with the Claude API - Anthropic Courses” — anthropic.skilljar.com (anthropic.skilljar.com/claude-with-the-anthropic-api)

Main API endpoint: https://api.anthropic.com/v1/messages (Anthropic official) or https://api.ccpro.cn/v1/messages (ngaicode)

What Can You Do with Claude API?

1. Chat / Q&A

import anthropic

client = anthropic.Anthropic(api_key="<key>", base_url="https://api.ccpro.cn")
message = client.messages.create(
    model="claude-sonnet-4.5",
    max_tokens=1024,
    messages=[{"role": "user", "content": "Hello, Claude"}]
)
print(message.content[0].text)

2. Claude Code CLI

export ANTHROPIC_API_KEY=<key>
export ANTHROPIC_AUTH_TOKEN=<key>
export ANTHROPIC_BASE_URL=https://api.ccpro.cn
claude "Refactor utils.py"

3. Long context (200K+ tokens)

Put an entire codebase in the prompt — Claude Sonnet/Opus supports 200K-1M tokens

4. Vision (images)

message = client.messages.create(
    model="claude-sonnet-4.5",
    messages=[{
        "role": "user",
        "content": [
            {"type": "image", "source": {"type": "base64", "data": image_data}},
            {"type": "text", "text": "Describe this image"}
        ]
    }]
)

5. Tool use (Function calling)

Let Claude call your functions — perfect for agentic workflows

6. Streaming

stream = client.messages.create(
    model="claude-sonnet-4.5",
    messages=[...],
    stream=True
)
for chunk in stream:
    print(chunk.delta.text, end="")

Claude API vs ChatGPT UI

If you’re a dev, Claude API is more cost-effective.

Claude API Price Comparison: Anthropic vs ngaicode

Steps to Use Claude API via ngaicode

1. Get an API Key

• Official: Sign up at console.anthropic.com → create API Key → bind credit card
• ngaicode: Buy at ngaicode Claude Code page — from $1.5 — pay with PayPal/USDT

2. Set up base_url + Key

Anthropic official:

export ANTHROPIC_API_KEY=sk-ant-...
# base_url default is https://api.anthropic.com

ngaicode:

export ANTHROPIC_API_KEY=<key>
export ANTHROPIC_AUTH_TOKEN=<key>
export ANTHROPIC_BASE_URL=https://api.ccpro.cn

3. Use Claude API

Which Languages Support Claude API?

• Python — anthropic, httpx, requests
• TypeScript / JavaScript — @anthropic-ai/sdk
• Go — anthropic-sdk-go
• Ruby — anthropic-sdk-ruby
• Rust — anthropic-sdk-rust
• Java / Kotlin — anthropic-sdk-java

Python example:

import anthropic

client = anthropic.Anthropic(
    api_key="<key>",
    base_url="https://api.ccpro.cn"
)

message = client.messages.create(
    model="claude-sonnet-4.5",
    max_tokens=2048,
    messages=[
        {"role": "user", "content": "Write hello world in Python"}
    ]
)
print(message.content[0].text)

Voices from Devs Using Claude API

“Last 7 days using Claude Code under Claude Pro, already worth it. Pay only $20/month. If using normally, would have spent $148.81 on Cursor.” — Sereeimt Facebook (facebook.com/sereeimt/posts/10231894102588150/)

“Building with the Claude API - Anthropic Courses” — anthropic.skilljar.com (anthropic.skilljar.com/claude-with-the-anthropic-api)

FAQ — Frequently Asked Questions About Claude API

Q1: Is Claude API free?

No — must pay (at least $5), but ngaicode starts at $1.5 (~$10 quota)

Q2: Where to buy Claude API Key?

• Official: console.anthropic.com — credit card required
• ngaicode: ngaicode Claude Code page — pay with PayPal/USDT

Q3: How much does Claude API cost?

• Official = $20 (Pro) / $100 (Max 5x) / $200 (Max 20x)
• ngaicode = $1.5 / $4.6 / $39.99 (save 79-92%)

Q4: Which models does Claude API support?

Sonnet 4.5 / Opus 4.5 / Haiku 4 — see all models at ccpro.cn/models/

Q5: Can I use Claude API Key in ChatGPT UI?

No — Claude API Key works with API clients only (Claude Code CLI, Cursor, scripts)

Q6: What’s the difference between Claude API and Codex API?

Claude = Anthropic (Sonnet/Opus) | Codex = OpenAI (GPT-5.4+) — both are excellent in different ways

Q7: What’s Claude API rate limit?

Depends on tier — check usage at ccpro.cn/key-usage/ 24/7

Related Resources

• ngaicode Claude Code page — View pricing / Order
• ngaicode Home — AI Coding Tools hub
• WhatsApp Contact us
• Telegram Contact us
• ccpro.cn/key-usage/

References

• platform.claude.com — Claude Platform Sign In
• anthropic.com — Claude API Development Guide
• anthropic.skilljar.com — Building with the Claude API
• claude.ai/upgrade — Official pricing
• Facebook — Sereeimt: Claude Code under Claude Pro better than Cursor

Ready to Use Claude API?

3 Easy Steps: Choose package — Pay with PayPal/USDT — Get API Key immediately

1. View Claude pricing and order: ngaicode Claude Code page
2. Inquire/Order: WhatsApp Contact us or Telegram Contact us
3. View all 3 products overview: ngaicode Home