Add days or business days to a date
Add days or business days to a date - calendar or weekday offset from a start date, returns the resulting date and weekday
Answeringour last check, 2026-10-18
1 of 1checks answered this week
263 msmedian answer time
$0.01listed price per call
$0.01price 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
GET https://saylorinnovations.com/api/calc/date-add
| Category | Everything else |
|---|---|
| Provider host | saylorinnovations.com |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-18 | valid payment request | 402 | $0.01 | 263 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"business_days": "10",
"from": "2026-10-12"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"POST",
"PUT",
"PATCH",
"DELETE",
"HEAD"
],
"type": "string"
},
"queryParams": {
"properties": {
"business_days": {
"description": "optional weekdays to add (negative to subtract)",
"type": "string"
},
"from": {
"description": "Start date YYYY-MM-DD",
"type": "string"
}
},
"required": [
"from"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"business_days": {
"description": "Number of business days",
"type": "number"
},
"checked_at": {
"description": "Time the check was run (UTC)",
"type": [
"string",
"null"
]
},
"days": {
"description": "Number of days",
"type": "number"
},
"from": {
"description": "Start of the range",
"type": "string"
},
"note": {
"description": "Caveat or context for reading the result",
"type": [
"string",
"null"
]
},
"result": {
"description": "Result of the operation",
"type": "string"
},
"result_weekday": {
"description": "Result weekday",
"type": "string"
}
},
"required": [
"from",
"result"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}