# Payment Imports — Calendar Date Check

> Payment Imports — Calendar Date Check is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-15).

Validates calendar date fields in a payment imports CSV (up to 1000 rows), checking for date format correctness, range compliance, and category constraints.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-bx-csv-payments-dates?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/payment-imports-calendar-date-check-a328453f
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_5D9z5BnUiwrc-82TJcm0H

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 payment-imports-calendar-date-check-a328453f -d '<json body>'
```

Example prompt: Can you run a calendar date check on my payment imports CSV? It uses a comma delimiter, and here's the data: 'payment_id,paid_on,invoice_id,paid_amount,processing_fee\nrecord-a,2026-01-01,group-a,10,2\nrecord-b,2026-01-02,group-b,20,3' — allowed categories are group-a and group-b.

## When to prefer this

Choose this endpoint when you need a dedicated, lightweight validation of calendar date fields specifically within payment import CSVs — particularly when you want row-level date error reporting without external enrichment or computation. Prefer this over generic CSV validators when working in a payments/finance context and need category-aware date range checking in a single inexpensive call.

## Known failure modes

- CSV exceeds 100,000 character limit — request rejected
- CSV has zero rows or is empty — validation cannot proceed
- Delimiter mismatch causes all rows to parse as single cells
- Date columns contain non-date text that cannot be interpreted
- Cell length exceeds max_cell_length setting — cell flagged or truncated
- More than 1000 rows provided — rows beyond limit may be ignored or rejected

## How this service works

Payment imports — Calendar date check: Calendar date check for Payment imports. Validate a declared CSV table contract, up to 1000 rows. Quoted cells supported; no external enrichment. Specialised preset in a shared 50-profile, 20-operation engine. 0.01 USDC includes one CSV calendar date check report.

## Output

A calendar date check report detailing which rows and cells contain invalid, missing, or out-of-range date values in the payment imports CSV, along with any category constraint violations and a summary of findings across up to 1000 rows.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "csv": {
   "type": "string",
   "default": "payment_id,paid_on,invoice_id,paid_amount,processing_fee\nrecord-a,2026-01-01,group-a,10,2\nrecord-b,2026-01-02,group-b,20,3",
   "maxLength": 100000,
   "minLength": 1
  },
  "maximum": {
   "type": "number",
   "default": 1000000000000,
   "maximum": 1000000000000,
   "minimum": -1000000000000
  },
  "minimum": {
   "type": "number",
   "default": -1000000000000,
   "maximum": 1000000000000,
   "minimum": -1000000000000
  },
  "delimiter": {
   "enum": [
    ",",
    ";",
    "\t"
   ],
   "type": "string",
   "default": ","
  },
  "max_cell_length": {
   "type": "integer",
   "default": 1000,
   "maximum": 5000,
   "minimum": 1
  },
  "allowed_categories": {
   "type": "array",
   "items": {
    "type": "string",
    "default": "",
    "maxLength": 100,
    "minLength": 1
   },
   "default": [
    "group-a",
    "group-b"
   ],
   "maxItems": 100,
   "minItems": 0
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/payment-imports-calendar-date-check-a328453f/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)