POST
javascript
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 const axios = require('axios'); const fs = require('fs'); const path = require('path'); // helper function to help you convert your local images into base64 format async function toB64(imgPath) { const data = fs.readFileSync(path.resolve(imgPath)); return Buffer.from(data).toString('base64'); } const api_key = "YOUR API-KEY"; const url = "https://api.segmind.com/v1/claude-4.5-sonnet"; const data = { "messages": [ { "role": "user", "content" : "tell me a joke on cats" }, { "role": "assistant", "content" : "here is a joke about cats..." }, { "role": "user", "content" : "now a joke on dogs" }, ] }; (async function() { try { const response = await axios.post(url, data, { headers: { 'x-api-key': api_key } }); console.log(response.data); } catch (error) { console.error('Error:', error.response.data); } })();
RESPONSE
application/json
HTTP Response Codes
200 - OKImage Generated
401 - UnauthorizedUser authentication failed
404 - Not FoundThe requested URL does not exist
405 - Method Not AllowedThe requested HTTP method is not allowed
406 - Not AcceptableNot enough credits
500 - Server ErrorServer had some issue with processing

Attributes


messagesArray

An array of objects containing the role and content


rolestr

Could be "user", "assistant" or "system".


contentstr

A string containing the user's query or the assistant's response.

To keep track of your credit usage, you can inspect the response headers of each API call. The x-remaining-credits property will indicate the number of remaining credits in your account. Ensure you monitor this value to avoid any disruptions in your API usage.

Claude Sonnet 4.5: Advanced AI Language and Coding Model

Edited by Segmind Team on September 30, 2025.

What is Claude Sonnet 4.5?

Claude Sonnet 4.5 by Anthropic is a recent breakthrough in AI, designed to perform high-end, intricate coding, reasoning, and problem-solving tasks. It is an advanced model ideal for developers and technical professionals as it effectively integrates superior coding expertise with consistent reasoning abilities and reliable security features. Claude Sonnet 4.5 is the epitome of remarkable evolution in AI development.

Key Features Claude Sonnet 4.5

  • It offers industry-leading software development with the ability to write, debug, and refine complex code independently.
  • It is capable of maintaining focus and coherence for over 30 hours to complete intricate projects.
  • The model excels in advanced math and logical reasoning tasks, making it ideal for numerous domains.
  • It includes advanced security to thwart any prompt injection attacks and other malicious attempts.
  • It supports integration with development environments via the VS Code extension.
  • It includes the progress checkpoint system to track long-running or ongoing workflows.
  • It is an advanced model that can process images and text inputs for multimodal tasks.
  • It supports the Claude Agent SDK needed to build and customize AI agents for specific needs and workflows.

Best Use Cases

  • i) Complex Software Development Projects

    • It is ideal for architecture planning and system design
    • It can perform debugging and code optimization
    • It can execute code review and documentation
  • ii) Technical Problem Solving

    • It can perform mathematical modeling and analysis
    • It is integrated with the system architecture design
    • It can carry out complex debugging sessions
  • iii) AI Agent Development

    • It can execute custom automation solutions
    • It can do workflow optimization
    • It can deliver specialized task handling
  • iv) Visual Analysis and Documentation

    • It can carry out code documentation with visual elements
    • It can perform technical diagram interpretation
    • It supports image-based problem-solving

Prompt Tips and Output Quality

  • Specify the technical requirements and constraints with clarity
  • Utilize text and image inputs together for comprehensive analysis
  • Structure complex requests into clear, logical steps for the best outputs
  • Take advantage of the extended attention span for detailed projects
  • Include relevant context and background information
  • Use the checkpoint feature for tracking progress in long tasks

FAQs

Q: How is Claude Sonnet 4.5 different from previous versions? A: Compared to previous models, Sonnet 4.5 offers significantly improved coding capabilities with a longer attention span and enhanced security features, which make it ideal for complex development tasks.

Q: Can Claude Sonnet 4.5 process both text and images? A: Yes, it can seamlessly accept text prompts and image inputs, allowing for versatile analysis and processing for impressive outputs.

Q: How can I integrate Claude Sonnet 4.5 into my development workflow? A: The model offers multiple integration options as it can be accessed through Claude's apps, API, VS Code extension, and the Claude Agent SDK.

Q: What types of security features does it include? A: Claude Sonnet 4.5 features enhanced security features with improved resistance to prompt injection attacks, making it highly secure for production environments.