Create a response
Create a model response. Optionally reference a previous response by ID to continue a multi-turn conversation with server-managed state, instead of resending the full message history.
POST /responses
Generate a model response.
Request body
Content Type: application/json
Response
HTTP 200: OK
Content Type: application/json
Content Type: text/event-stream
python
import os
from openai import OpenAI
client = OpenAI(
base_url="https://api.meta.ai/v1",
api_key=os.environ["MODEL_API_KEY"],
)
response = client.responses.create(
model="muse-spark-1.3",
input="What is the capital of France?",
)
print(response.model_dump_json(indent=2))import json
import os
import requests
response = requests.post(
"https://api.meta.ai/v1/responses",
headers={
"Authorization": f"Bearer {os.environ['MODEL_API_KEY']}",
"Content-Type": "application/json",
},
json={
"model": "muse-spark-1.3",
"input": "What is the capital of France?",
},
)
response.raise_for_status()
print(json.dumps(response.json(), indent=2))curl -X POST "https://api.meta.ai/v1/responses" \
-H "Authorization: Bearer $MODEL_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "muse-spark-1.3",
"input": "What is the capital of France?"
}'For usage examples, previous_response_id patterns, and guidance on when to use the Responses API versus Chat Completions, see the Responses feature page.
Mirrored from dev.meta.ai/docs/api-reference/responses/create-response (synced Oct 30, 2026). Text and examples © Meta. Live demos run on Muse Muse's key.