# Fiona Cellular Reprogramming Research Query

> Fiona Cellular Reprogramming Research Query is a paid API for AI agents from fiona-125b95be.base44.app, paid per call via x402, $1/call, status unknown (last checked 2026-09-15).

Answers research questions about cellular reprogramming, Yamanaka factors, OSK, epigenetic rejuvenation, and age reversal with synthesized answers and citations

## Facts

- Endpoint: POST https://fiona-125b95be.base44.app/functions/reprogrammingQuery
- Price: $1/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/fiona-cellular-reprogramming-research-query-4900f243
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_sBmpLRPReZaqim4oiLvh1

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability fiona-cellular-reprogramming-research-query-4900f243 -d '<json body>'
```

Example prompt: Can you research the latest findings on OSK partial reprogramming and epigenetic rejuvenation — specifically how Yamanaka factors reverse aging in vivo — and return up to 15 cited sources?

## When to prefer this

Use this endpoint when you need synthesized, cited research specifically about cellular reprogramming, Yamanaka factors (OSKM/OSK), epigenetic rejuvenation, or biological age reversal — not for general biology, medicine, or unrelated longevity topics. It is better than general web search when you want a curated, consolidated answer with academic source attribution in this narrow domain.

## Known failure modes

- Missing required 'question' field returns a validation error
- Overly broad or unrelated questions may yield low-quality or no relevant results
- Service may be unavailable if the underlying base44 app is down
- Payment failure (x402) if USDC balance is insufficient
- Rate limiting if too many requests are made in quick succession

## How this service works

User Generated App

## Output

A synthesized narrative answer to the research question about cellular reprogramming, accompanied by a list of sources with URLs, titles, publication dates, and source names, plus metadata like the number of items searched and a timestamp.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "question"
 ],
 "properties": {
  "question": {
   "type": "string",
   "description": "Your research question about cellular reprogramming, Yamanaka factors, OSK, epigenetic rejuvenation, or age reversal"
  },
  "max_results": {
   "type": "number",
   "description": "Max results to return (default: 10)"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "topic": {
   "type": "string"
  },
  "answer": {
   "type": "string",
   "description": "Synthesized reprogramming research with citations"
  },
  "sources": {
   "type": "array",
   "items": {
    "type": "object",
    "properties": {
     "url": {
      "type": "string"
     },
     "date": {
      "type": "string"
     },
     "title": {
      "type": "string"
     },
     "source": {
      "type": "string"
     }
    }
   }
  },
  "question": {
   "type": "string"
  },
  "timestamp": {
   "type": "string"
  },
  "items_searched": {
   "type": "number"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/fiona-cellular-reprogramming-research-query-4900f243/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from fiona-125b95be.base44.app](https://www.zero.xyz/host/fiona-125b95be.base44.app/llms.txt)