Qwen 3.5 Plus API

What Qwen 3.5 Plus does

CCAPI provides Qwen series Chat API for Chinese, coding, and general text tasks.

Qwen 3.5 Plus API features

• Easy-to-Use API — Use OpenAI-compatible interface, switch models without code changes.
• Streaming Output — Supports SSE streaming for real-time content generation.
• Flexible Parameters — Supports temperature, max_tokens and other control parameters.

What people build with Qwen 3.5 Plus

• Customer Service — Build intelligent customer service
• Writing Assistant — Assist with writing, translation, summarization
• Code Assistant — Assist with code writing and debugging

Getting started with the Qwen 3.5 Plus API

The endpoint is OpenAI-compatible, so existing client code usually needs only a base URL and a model name.

• Step 1: Sign Up or Log In — Create account and get API Token
• Step 2: Test in Playground — Test prompts and parameters
• Step 3: Integrate into Backend — Connect using API interface
• Step 4: Deploy for Production — Set up concurrency and cost control

Qwen 3.5 Plus API pricing

Qwen — billed per token

Why choose CCAPI for Qwen 3.5 Plus

• Unified Interface — Switch between chat and reasoning models through one Chat Completions interface.
• Unified authentication — Use one CCAPI token across models instead of managing separate credentials.
• Traceable usage — Review request logs, token usage, and charges in one place for debugging and reconciliation.

Other models on the same endpoint

The same API key and base URL reach every model below. Moving from Qwen 3.5 Plus to any of them means changing the model name in the request body.

• GLM-5 API — chat model on the same endpoint
• Kimi K2.5 (Moonshot) API — chat model on the same endpoint
• GPT-4o API — chat model on the same endpoint
• GPT-4o Mini API — chat model on the same endpoint
• GPT-5 API — chat model on the same endpoint
• GPT-4.1 API — chat model on the same endpoint

Frequently asked questions