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Prerequisite: You’ll need an account on Morph to obtain an API key.

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Authentication

All Morph API endpoints require authentication using Bearer tokens: 
Authorization: Bearer your-morph-api-key
To get your API key:
  1. Visit the Morph dashboard
  2. Create an account or sign in
  3. Navigate to your API keys section
  4. Generate a new API key
Keep your API key secure and never expose it in client-side code or public repositories.

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Base URL

All Morph API endpoints use the following base URL: 
https://api.morphllm.com/v1

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Test Your API Key

Verify your setup with a simple test request: 
from openai import OpenAI

client = OpenAI(
    api_key="your-morph-api-key",
    base_url="https://api.morphllm.com/v1"
)

# Test the connection
response = client.chat.completions.create(
    model="morph-v3-fast",
    messages=[{
        "role": "user",
        "content": "<code>def hello():\n    print('Hello World')</code>\n<update>def hello():\n    print('Hello Morph!')</update>"
    }]
)

print(response.choices[0].message.content)
If the test succeeds, you should see the updated code with “Hello Morph!” instead of “Hello World”.

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Alternative Access Methods

You can also access Morph through these platforms:

OpenRouter

Access Morph models through OpenRouter’s unified API platform

MCP Integration

Use Morph with Model Context Protocol servers and Claude Desktop

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Next Steps

Now that you’ve tested your API key, explore Morph’s specialized models:

Apply Model

Apply code changes with precision at 10,500 tokens per second and 98% accuracy

Embedding Model

Generate semantic embeddings optimized for code understanding and search

Rerank Model

Reorder search results by relevance with code-aware ranking algorithms
For access to our latest models, self-hosting, or business inquiries, please contact us at info@morphllm.com.