Add/subtract business days to a date, or count business days between two dates —
Add/subtract business days to a date, or count business days between two dates — skipping weekends and optional holidays.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
768 msmedian answer time
$0.002listed price per call
$0.002price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://datetime.openverbs.com/v1/business-days
| Category | Everything else |
|---|---|
| Provider host | datetime.openverbs.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 3 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.002 | 768 ms |
Example input (from the provider)
{
"body": {
"days": 1,
"end": "2024-01-01",
"start": "2024-01-01"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"days": {
"description": "Business days to add (negative to subtract). Provide this OR `end`.",
"maximum": 3650,
"minimum": -3650,
"type": "integer"
},
"end": {
"description": "End date to count business days to. Provide this OR `days`.",
"pattern": "^\\d{4}-\\d{2}-\\d{2}",
"type": "string"
},
"holidays": {
"description": "Extra non-working dates to skip (YYYY-MM-DD).",
"items": {
"pattern": "^\\d{4}-\\d{2}-\\d{2}",
"type": "string"
},
"type": "array"
},
"start": {
"description": "Start date (YYYY-MM-DD).",
"pattern": "^\\d{4}-\\d{2}-\\d{2}",
"type": "string"
},
"timezone": {
"description": "IANA timezone. Defaults to UTC.",
"type": "string"
},
"weekend": {
"description": "Weekend weekdays (Mon=1 \u2026 Sun=7). Defaults to [6,7].",
"items": {
"maximum": 7,
"minimum": 1,
"type": "integer"
},
"type": "array"
}
},
"required": [
"start"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}