Answer
Ask Gemini a question and get its answer, with citations, sources, cards and mentions.
POST /v1/gemini/answerSend the inputs as a JSON body. An answer takes seconds: allow up to 120 seconds.
Request
curl -X POST "https://gateway.apinoa.com/v1/gemini/answer" \
-H "x-api-key: $APINOA_API_KEY" \
-H "content-type: application/json" \
-d '{"prompt": "What are the best running shoes for beginners?", "country": "US"}'Parameters
| Parameter | Type | Required | Notes |
|---|---|---|---|
prompt | string | yes | The question, as a person would type it. |
conversation | string | An earlier answer's conversation.id: ask a follow-up in the same conversation. | |
country | string | The market the answer is asked from, as an ISO 3166 country code. Each engine's page lists its countries. | |
include | enum list | page: also return the answer as a self-contained HTML page, in page. |
The same parameters, and every response type, are in the OpenAPI document.
Response
Returns Answer in data. A real response, shortened: arrays keep their first entries and long text is cut.
{
"success": true,
"data": {
"engine": "gemini",
"outcome": "answered",
"prompt": "What are the best running shoes for beginners?",
"askedAt": "2026-10-30T01:00:44.498Z",
"country": "US",
"language": "en",
"title": "Best Running Shoes for Beginners",
"blocks": [
{
"type": "paragraph",
"markdown": "When starting out as a runner, the best shoes share a few key traits: **generous comfort** to protect your joints as your body adapts, a **forgiving fit** that…"
},
{
"type": "paragraph",
"markdown": "The top-rated, most reliable running shoes for beginners feature several standout models tailored to different preferences:"
}
],
"text": "When starting out as a runner, the best shoes share a few key traits: generous comfort to protect your joints as your body adapts, a forgiving fit that doesn’t…",
"markdown": "When starting out as a runner, the best shoes share a few key traits: **generous comfort** to protect your joints as your body adapts, a **forgiving fit** that…",
"citations": [{"start": 0, "end": 258, "sources": [0]}, {"start": 443, "end": 491, "sources": [0]}],
"sources": [
{
"url": "https://www.fleetfeet.com/running-shoe-buyers-guide/best-running-shoes-women",
"title": "The 10 Best Women's Running Shoes 2026 - Fleet Feet",
"site": "Fleet Feet",
"favicon": "https://encrypted-tbn2.gstatic.com/favicon-tbn?q=tbn%3AANd9GcQTW69jHapZCXp40IeOUlcK9pl3Uqjv9AfQz4UK9yWZJzexnB8DlIx8FEp1QlJMdcyn62qSLSzVxWKbjG00g2yeWYdoHkxcWHAPB…",
"snippet": "The nitrogen-infused DNA Loft v3 cushioning provides soft, protective comfort without feeling overly squishy or unstable — giving you the confidence to run, wal…",
"cited": true,
"ext": {
"quotes": ["The nitrogen-infused DNA Loft v3 cushioning provides … gear as you build your new habit."],
"snippets": [
"The nitrogen-infused DNA Loft v3 cushioning provides soft, protective comfort without feeling overly squishy or unstable — giving you the confidence to run, wal…"
]
}
},
{
"url": "https://www.fleetfeet.com/blog/our-top-6-running-shoes-for-beginners-this-summer",
"title": "Our Top 6 Running Shoes for Beginners This Summer - Fleet Feet",
"site": "Fleet Feet",
"favicon": "https://encrypted-tbn2.gstatic.com/favicon-tbn?q=tbn%3AANd9GcQTW69jHapZCXp40IeOUlcK9pl3Uqjv9AfQz4UK9yWZJzexnB8DlIx8FEp1QlJMdcyn62qSLSzVxWKbjG00g2yeWYdoHkxcWHAPB…",
"snippet": "Plus, it's available in Fleet Feet exclusive colorways, helping you stand out from the crowd. Read the full review. Sale. Women's ASICS Gel-Cumulus 25. Women's…",
"cited": true,
"ext": {
"quotes": ["Plus, it's available in Fleet Feet exclusive … decade, mostly because it's so aptly named."],
"snippets": [
"Plus, it's available in Fleet Feet exclusive colorways, helping you stand out from the crowd. Read the full review. Sale. Women's ASICS Gel-Cumulus 25. Women's…"
]
}
}
],
"mentions": [],
"cards": [],
"suggestions": [
{
"text": "Compare neutral vs. stability running shoes",
"prompt": "What is the difference between neutral and stability running shoes, and how do I know which one I need?"
},
{
"text": "Tips for starting a Couch-to-5K running routine",
"prompt": "Give me a beginner-friendly Couch-to-5K running plan and tips to avoid injury."
}
],
"ext": {
"model": "3.5 Flash-Lite",
"steps": [{"label": "Searched the web", "tool": "Google Search", "pages": 8}],
"classifier": [
[{"label": "Academic - Other", "score": 1.2308828e-05}, {"label": "Coding", "score": 8.606076e-06}],
[
{"label": "Action Execution / Device Control - Other", "score": 2.9255574e-05},
{"label": "Advice & Opinion - Other", "score": 0.00015245765}
]
],
"modifiers": ["Longer", "Shorter"],
"suggestionHeading": "To help you narrow down your choice:"
},
"conversation": {"id": "c_GLVf-d67JzX_h9UkuWw87Q", "turn": 1, "expiresAt": "2026-10-30T01:30:51.206Z"}
}
}Errors
| Status | Code | Meaning |
|---|---|---|
| 400 | INVALID_PARAMS | A parameter is missing, unknown or out of range, or the engine does not take it. The message names it. |
| 401 | UNAUTHORIZED | The x-api-key header is missing, or the key is revoked or unknown. |
| 402 | INSUFFICIENT_BALANCE | The balance does not cover this call. Top up in the dashboard. |
| 429 | MARKETPLACE_SATURATED | Too many concurrent calls. Retry after the Retry-After seconds. |
| 502 | UPSTREAM_ERROR | The engine answered with something unusable. Retry with backoff. |
| 502 | UPSTREAM_TIMEOUT | The engine did not answer in time. Retry. |
| 503 | SERVICE_UNAVAILABLE | A temporary failure. Retry with backoff. |
Every code is listed in Errors. Failed calls are not billed.
Pricing
Price $0.0012 per call. List price; the rate steps down above 1,000 calls a day.
Notes
- To ask a follow-up, pass the answer's
conversation.idasconversation. - Gemini answers in the language of the prompt.