Assemble an ISO 8601 duration string from individual components (years, months, weeks, day
Assemble an ISO 8601 duration string from individual components (years, months, weeks, days, hours, minutes, seconds) and an optional sign. All components must be non-negative and at least one must be non-zero.
2000 (raw units)
price
2
calls / 30d
1
unique payers
2026-09-06
updated
Provider
datetime.openverbs.com · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "2000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"body": {
"months": 1,
"years": 1
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"days": {
"description": "Days.",
"minimum": 0,
"type": "number"
},
"hours": {
"description": "Hours.",
"minimum": 0,
"type": "number"
},
"minutes": {
"description": "Minutes.",
"minimum": 0,
"type": "number"
},
"months": {
"description": "Months.",
"minimum": 0,
"type": "number"
},
"seconds": {
"description": "Seconds.",
"minimum": 0,
"type": "number"
},
"sign": {
"description": "Overall sign. Default 1.",
"enum": [
1,
-1
],
"type": "integer"
},
"weeks": {
"description": "Weeks.",
"minimum": 0,
"type": "number"
},
"years": {
"description": "Years.",
"minimum": 0,
"type": "number"
}
},
"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"
}
}
}Use it
curl
curl "https://datetime.openverbs.com/v1/format" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://datetime.openverbs.com/v1/format");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://datetime.openverbs.com/v1/format")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/13790.json, and this resource appears in /discovery/resources and /discovery/search.