# Research Required-Field Checker

> Research Required-Field Checker is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-13).

Validates a batch of research records to ensure each one contains all specified required fields, flagging any that are missing.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/validate-records-research?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/research-required-field-checker-92616b90
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_maobZSVEPWO5syazLhFdX

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 research-required-field-checker-92616b90 -d '<json body>'
```

Example prompt: Can you check these research records and make sure every one of them has both 'id' and 'email' fields? Flag any that are missing either one: [{"id":"A1","email":"a@example.com"},{"email":"bad@example.com"}].

## When to prefer this

Choose this endpoint when you need a lightweight, per-record completeness check specifically tailored for research workflows, particularly when you want to validate a batch of records against a configurable list of required fields before downstream processing, import, or analysis.

## Known failure modes

- Empty records array returns no results or an error
- Required fields list is empty causing all records to pass trivially
- Malformed record objects (non-object array items) may cause parsing errors
- Network timeout on very large record batches
- Payment failure via x402 protocol preventing execution

## How this service works

Research Required-field checker: Check each record for a supplied set of required fields. Tailored for research workflows.

## Output

Returns a per-record validation report indicating which records pass or fail the required-field check, including details on which specific fields are missing for each failing record.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "records": {
   "type": "array",
   "items": {
    "type": "object"
   },
   "default": [
    {
     "id": "A1",
     "email": "a@example.com"
    },
    {
     "email": "bad@example.com"
    }
   ]
  },
  "required": {
   "type": "array",
   "items": {
    "type": "string"
   },
   "default": [
    "id",
    "email"
   ]
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/research-required-field-checker-92616b90/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from market.datapackvibe.com](https://www.zero.xyz/host/market.datapackvibe.com/llms.txt)