curl --request POST \
--url https://api.opper.ai/v3/compat/responses \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{}'import requests
url = "https://api.opper.ai/v3/compat/responses"
payload = {}
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({})
};
fetch('https://api.opper.ai/v3/compat/responses', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));{
"created_at": 123,
"error": {
"code": "<string>",
"message": "<string>"
},
"id": "<string>",
"incomplete_details": "<unknown>",
"model": "<string>",
"object": "<string>",
"output": [
{
"type": "<string>",
"arguments": "<string>",
"call_id": "<string>",
"content": [
{
"text": "<string>",
"type": "<string>",
"annotations": [
"<unknown>"
]
}
],
"encrypted_content": "<string>",
"id": "<string>",
"name": "<string>",
"role": "<string>",
"status": "<string>",
"summary": [
{
"text": "<string>",
"type": "<string>"
}
]
}
],
"status": "<string>",
"tool_choice": "<unknown>",
"completed_at": 123,
"cost": 123,
"frequency_penalty": 123,
"instructions": "<string>",
"max_output_tokens": 123,
"metadata": {},
"output_text": "<string>",
"parallel_tool_calls": true,
"presence_penalty": 123,
"previous_response_id": "<string>",
"reasoning": {
"effort": "<string>",
"summary": "<string>"
},
"service_tier": "<string>",
"temperature": 123,
"text": {
"format": {
"type": "<string>",
"name": "<string>",
"schema": {}
}
},
"tools": [
{
"type": "<string>",
"description": "<string>",
"headers": {},
"name": "<string>",
"parameters": {},
"require_approval": "<string>",
"server_label": "<string>",
"server_url": "<string>"
}
],
"top_p": 123,
"truncation": "<string>",
"usage": {
"input_tokens": 123,
"output_tokens": 123,
"total_tokens": 123,
"cost": 123,
"input_tokens_details": {
"cached_tokens": 123
},
"output_tokens_details": {
"reasoning_tokens": 123
}
},
"user": "<string>"
}{
"error": {
"code": "<string>",
"message": "<string>",
"details": "<unknown>"
},
"meta": {}
}{
"error": {
"code": "<string>",
"message": "<string>",
"details": "<unknown>"
},
"meta": {}
}Responses
OpenAI Responses API compatible endpoint. Supports streaming via the stream parameter.
curl --request POST \
--url https://api.opper.ai/v3/compat/responses \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{}'import requests
url = "https://api.opper.ai/v3/compat/responses"
payload = {}
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({})
};
fetch('https://api.opper.ai/v3/compat/responses', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));{
"created_at": 123,
"error": {
"code": "<string>",
"message": "<string>"
},
"id": "<string>",
"incomplete_details": "<unknown>",
"model": "<string>",
"object": "<string>",
"output": [
{
"type": "<string>",
"arguments": "<string>",
"call_id": "<string>",
"content": [
{
"text": "<string>",
"type": "<string>",
"annotations": [
"<unknown>"
]
}
],
"encrypted_content": "<string>",
"id": "<string>",
"name": "<string>",
"role": "<string>",
"status": "<string>",
"summary": [
{
"text": "<string>",
"type": "<string>"
}
]
}
],
"status": "<string>",
"tool_choice": "<unknown>",
"completed_at": 123,
"cost": 123,
"frequency_penalty": 123,
"instructions": "<string>",
"max_output_tokens": 123,
"metadata": {},
"output_text": "<string>",
"parallel_tool_calls": true,
"presence_penalty": 123,
"previous_response_id": "<string>",
"reasoning": {
"effort": "<string>",
"summary": "<string>"
},
"service_tier": "<string>",
"temperature": 123,
"text": {
"format": {
"type": "<string>",
"name": "<string>",
"schema": {}
}
},
"tools": [
{
"type": "<string>",
"description": "<string>",
"headers": {},
"name": "<string>",
"parameters": {},
"require_approval": "<string>",
"server_label": "<string>",
"server_url": "<string>"
}
],
"top_p": 123,
"truncation": "<string>",
"usage": {
"input_tokens": 123,
"output_tokens": 123,
"total_tokens": 123,
"cost": 123,
"input_tokens_details": {
"cached_tokens": 123
},
"output_tokens_details": {
"reasoning_tokens": 123
}
},
"user": "<string>"
}{
"error": {
"code": "<string>",
"message": "<string>",
"details": "<unknown>"
},
"meta": {}
}{
"error": {
"code": "<string>",
"message": "<string>",
"details": "<unknown>"
},
"meta": {}
}Authorizations
API key authentication. Pass your API key as a Bearer token.
Headers
Function name for tracing and project-level guardrail function-scope filtering.
Parent span ID for distributed tracing context.
Comma-separated key:value usage-attribution tags (e.g. tenant:acme,project:demo, max 8). Recorded on the generation's billing/metrics rows; group spend by any key via GET /v2/analytics/usage?group_by=. Header-borne twin of the /v3/session URL prefix tags (which win per key when both are present); opper.-prefixed keys and session_id are reserved. Malformed values return 400.
Body
Opt in to automatic prompt caching for Anthropic-family models: {"type":"ephemeral"} (optionally "ttl":"1h"). Places one moving cache breakpoint on the largest cacheable prefix. Caching is off unless set; no-op on providers with automatic server-side caching (OpenAI
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Response
Successful response
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