POST
/
v1
/
responses
curl -X POST https://www.anyfast.ai/v1/responses \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-4.1",
    "stream": true,
    "input": [
      {
        "role": "user",
        "content": "Hello!"
      }
    ]
  }'

event: response.output_text.delta
data: {"type":"response.output_text.delta","delta":"Hello"}

event: response.output_text.delta
data: {"type":"response.output_text.delta","delta":"!"}

event: response.output_text.delta
data: {"type":"response.output_text.delta","delta":" How"}

event: response.output_text.delta
data: {"type":"response.output_text.delta","delta":" can"}

event: response.output_text.delta
data: {"type":"response.output_text.delta","delta":" I help you?"}

event: response.completed
data: {"type":"response.completed","response":{"id":"resp_01","object":"response","status":"completed","usage":{"input_tokens":9,"output_tokens":12,"total_tokens":21}}}
Stream model responses in real-time using server-sent events.

​
Request Parameters

​
model
string
required
The model ID to use.
​
input
array
required
Array of input messages.
​
stream
boolean
required
Set to true to enable streaming. Responses will be sent as server-sent events.
curl -X POST https://www.anyfast.ai/v1/responses \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-4.1",
    "stream": true,
    "input": [
      {
        "role": "user",
        "content": "Hello!"
      }
    ]
  }'

event: response.output_text.delta
data: {"type":"response.output_text.delta","delta":"Hello"}

event: response.output_text.delta
data: {"type":"response.output_text.delta","delta":"!"}

event: response.output_text.delta
data: {"type":"response.output_text.delta","delta":" How"}

event: response.output_text.delta
data: {"type":"response.output_text.delta","delta":" can"}

event: response.output_text.delta
data: {"type":"response.output_text.delta","delta":" I help you?"}

event: response.completed
data: {"type":"response.completed","response":{"id":"resp_01","object":"response","status":"completed","usage":{"input_tokens":9,"output_tokens":12,"total_tokens":21}}}