How do I use Claude Opus 4.7 through YepAPI?

Sign up for a free API key, then send requests to the /v1/ai/chat endpoint.

AnthropicText Generation/v1/ai/chat

Claude Opus 4.7

Access Claude Opus 4.7 through one API key. Anthropic's newest and most intelligent model.

Anthropic's newest flagship. The most capable Claude yet for complex reasoning, agentic tool use, nuanced writing, and advanced coding — with a 1M token context window.

Full Docs Get API Key — Free $5 Credit

No credit card required. Takes 30 seconds.

2,400+

Developers

1.2M+

API calls served

100+

Endpoints

$0.01

Per call

Yep, that's it.

Try it live

Send a message and see Claude Opus 4.7 respond in real time.

POST/v1/ai/chatanthropic/claude-opus-4.7

Message *

Max Tokens

Maximum tokens in the response.

Stream

Real-time tokens

Hit "Send Request" to see the response

Context Window

1M tokens

Max Output

32K tokens

Input Price

$5.00 / 1M tokens

Output Price

$25.00 / 1M tokens

Strengths

✓Latest-generation Claude flagship

✓1M token context

✓State-of-the-art reasoning & agents

✓Best-in-class coding & analysis

Quick start

Copy this snippet and start making calls with Claude Opus 4.7.

const res = await fetch('https://api.yepapi.com/v1/ai/chat', {
  method: 'POST',
  headers: {
    'x-api-key': 'YOUR_API_KEY',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    "model": "anthropic/claude-opus-4.7",
    "messages": [
      {
        "role": "user",
        "content": "Explain API gateways in 2 sentences."
      }
    ],
    "maxTokens": 256
  }),
});
const { data } = await res.json();
console.log(data.message.content);

Why use Claude Opus 4.7 through YepAPI?

✓One API key for all models — no separate accounts

✓OpenAI SDK compatible — just change the base URL

✓No monthly minimums — pay per token

✓Switch models with one line of code

✓Full provider passthrough — citations, search results, and all extras included

✓Streaming and non-streaming support on every model

✓Works with Cursor, Claude, LangChain, and any LLM tool

✓Unified billing across all providers

What developers say

“Switched from SerpAPI and cut our SERP costs by 80%. Same data quality, way simpler billing.”
Marcus T.
SEO Platform Founder

“One API key for AI models, SERP data, and web scraping. Saved us from managing 4 separate providers.”
Priya S.
Full-Stack Developer

“The $5 free credit let us prototype our entire rank tracking feature before committing. No other API does that.”
Jake R.
Indie Hacker

Frequently asked questions

Anthropic's newest flagship. The most capable Claude yet for complex reasoning, agentic tool use, nuanced writing, and advanced coding — with a 1M token context window.

Input tokens cost $5.00 per 1M tokens and output tokens cost $25.00 per 1M tokens through YepAPI. No monthly minimums — you only pay for what you use.

Claude Opus 4.7 supports a 1M token context window with up to 32K output tokens per request.