GLM API
Buy GLM-5.3 FlashX, GLM-5.3 Flash, GLM-5.3 and GLM-5.2 — long-context multimodal, coding and agent models. OpenAI-compatible.
Get GLM API access without a separate provider account. APIMaster offers GLM-5.3 FlashX, GLM-5.3 Flash, GLM-5.3 and GLM-5.2 through monitored channels billed per token. FlashX is the first option here for long-context visual understanding, coding and agent workflows. One OpenAI-compatible key also covers Claude, GPT and DeepSeek — drop it into Cursor, Claude Code or any OpenAI SDK.
Coding Plan
Gebruik GLM 5.3 Flash met 40% off korting via Coding Plan
Ook korting op andere programmeermodellen:
- DeepSeek V4 Pro50% off
- Kimi K340% off
- MiniMax M340% off
- Qwen 3.8 Max50% off
Provider 61
Fingerprint history
No detection data
Uptime
No detection data
Every GLM channel is uptime-checked before it's listed, so you get a working endpoint.
GLM API — Pricing
| Model | Our price | Official | Save |
|---|---|---|---|
| GLM 5.3 FlashX | $0.37/M | $0.37/M | — |
| GLM 5.3 Flash | $0.105/M | $0.15/M | 30% |
| GLM 5.3 | $0.6916/M | $1.4/M | 51% |
| GLM 5.2 | $0.84/M | $1.4/M | 40% |
Capabilities
Long-context multimodal
GLM-5.3 FlashX combines visual understanding, coding, agents and a 1M-token context window for document- and repository-scale tasks.
Deep reasoning
Strong thinking mode for multi-step analysis and tool use.
OpenAI-compatible
Standard chat/completions endpoint — change base URL and key.
Use cases
Quick start
curl https://apimaster.ai/v1/chat/completions \
-H "Authorization: Bearer $APIMASTER_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "glm-5.3-flashx",
"messages": [{ "role": "user", "content": "Hello" }]
}'GLM API — Frequently Asked Questions
Which GLM models are available?
Currently available: glm-5.3-flashx, glm-5.3-flash, glm-5.3, glm-5.2. Start with GLM-5.3 FlashX for long-context multimodal, coding and agent workloads; all models are billed per token (input + output).
How is it billed? Is there a minimum?
Billed per token — see the price table above. Pay-as-you-go via Alipay, WeChat Pay, USDT and credit card, from $1.
Is it OpenAI-compatible?
Yes — 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.
Other models
How to Get Started
Top Up Your Balance
Add credits via USDT or Epay. One balance works across all models and providers.
Top Up NowCreate Your API Key
Sign up and create an OpenAI-compatible API key in 3 seconds. No credit card required.
Create API KeyPlug Into Your Code or Agent
Swap in your APIMaster key and base URL — works with any OpenAI-compatible tool: Claude Code, Cursor, LangChain, LiteLLM, and more.
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