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POST
/
v1
/
chat
/
completions
curl https://apolloai.lol/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $APOLLO_API_KEY" \
  -d '{
    "model": "gpt-oss-120b",
    "messages": [
      {
        "role": "system",
        "content": "You are a helpful assistant."
      },
      {
        "role": "user",
        "content": "Hello!"
      }
    ]
  }'

{
  "id": "chatcmpl-123",
  "object": "chat.completion",
  "created": 1677652288,
  "model": "gpt-oss-120b",
  "choices": [{
    "index": 0,
    "message": {
      "role": "assistant",
      "content": "Hello there, how may I assist you today?"
    },
    "finish_reason": "stop"
  }],
  "usage": {
    "prompt_tokens": 9,
    "completion_tokens": 12,
    "total_tokens": 21
  }
}
Generate natural language or code completions based on a list of messages. This endpoint is compatible with the OpenAI Chat Completions API.

​
Headers

​
x-api-key
string
required
Your Apollo AI API key. Alternatively, use Authorization: Bearer <token>.

​
Body Parameters

​
messages
array
required
A list of messages comprising the conversation so far.
​
model
string
required
The ID of the model to use (e.g., gpt-oss-120b, llama3). See Models for a full list.
​
stream
boolean
If set, partial message deltas will be sent, like in ChatGPT. Tokens will be sent as data-only server-sent events as they become available.
​
max_tokens
integer
The maximum number of tokens to generate in the chat completion.
​
temperature
number
What sampling temperature to use, between 0 and 2. Higher values like 0.8 will make the output more random, while lower values like 0.2 will make it more focused and deterministic.
​
tools
array
A list of tools the model may call. Currently, only functions are supported as a tool.

​
Response

​
id
string
A unique identifier for the chat completion.
​
choices
array
A list of chat completion choices.
​
created
integer
The Unix timestamp (in seconds) of when the chat completion was created.
​
model
string
The model used for the chat completion.
​
usage
object
Usage statistics for the completion request.
curl https://apolloai.lol/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $APOLLO_API_KEY" \
  -d '{
    "model": "gpt-oss-120b",
    "messages": [
      {
        "role": "system",
        "content": "You are a helpful assistant."
      },
      {
        "role": "user",
        "content": "Hello!"
      }
    ]
  }'

{
  "id": "chatcmpl-123",
  "object": "chat.completion",
  "created": 1677652288,
  "model": "gpt-oss-120b",
  "choices": [{
    "index": 0,
    "message": {
      "role": "assistant",
      "content": "Hello there, how may I assist you today?"
    },
    "finish_reason": "stop"
  }],
  "usage": {
    "prompt_tokens": 9,
    "completion_tokens": 12,
    "total_tokens": 21
  }
}