API docs

OpenAI-compatible DeepSeek V4 Flash.

Use your Bypath key with /v1. Same OpenAI shape, built for coding agents.

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Base URL

https://api.bypath.dev/v1

Authentication

Authorization: Bearer bp_live_...

Compatible routes

Model

deepseek-v4-flash

List models

curl https://api.bypath.dev/v1/models \
  -H "Authorization: Bearer bp_live_YOUR_KEY"

Chat completion

curl https://api.bypath.dev/v1/chat/completions \
  -H "Authorization: Bearer bp_live_YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek-v4-flash",
    "messages": [
      { "role": "user", "content": "Hello from Bypath" }
    ]
  }'

Streaming

curl https://api.bypath.dev/v1/chat/completions \
  -H "Authorization: Bearer bp_live_YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek-v4-flash",
    "stream": true,
    "messages": [
      { "role": "user", "content": "Write a tiny TypeScript function" }
    ]
  }'

OpenAI SDK

import OpenAI from "openai";

const client = new OpenAI({
  apiKey: process.env.BYPATH_API_KEY,
  baseURL: "https://api.bypath.dev/v1",
});

const response = await client.chat.completions.create({
  model: "deepseek-v4-flash",
  messages: [{ role: "user", content: "Hello" }],
});

console.log(response.choices[0]?.message?.content);

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