# Classroom Weekday Counter

> Classroom Weekday Counter is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-01).

Counts the number of weekdays (Monday–Friday) between two dates, inclusive, optimized for classroom scheduling workflows.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/business-days-classroom?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-01
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/classroom-weekday-counter-f38832c0
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_KfaKwM4Wu2Y1hDzlNLCPF

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 classroom-weekday-counter-f38832c0 -d '<json body>'
```

Example prompt: How many weekdays are there between January 5, 2026 and January 16, 2026 — I need to plan out my classroom schedule for that period.

## When to prefer this

Choose this endpoint when you need a simple, fast weekday count between two dates specifically in an educational or classroom scheduling context. It is ideal for counting instructional days, planning lesson schedules, or determining sub coverage durations where only Monday–Friday days should be counted.

## Known failure modes

- Invalid or unparseable date strings may return an error or unexpected result
- End date earlier than start date may return zero or an error
- Missing required start or end parameters may cause a validation error
- Non-standard date formats may fail to parse correctly

## How this service works

Classroom Weekday counter: Count weekdays between two dates, inclusive. Tailored for classroom workflows.

## Output

Returns the total count of weekday days (Monday through Friday) that fall within the specified start and end date range, inclusive of both endpoints, as a numeric value tailored for classroom scheduling contexts.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "end": {
   "type": "string",
   "default": "2026-01-16"
  },
  "start": {
   "type": "string",
   "default": "2026-01-05"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/classroom-weekday-counter-f38832c0/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)
