Validate IBAN, ISBN, and similar identifiers by format and checksum (not real-wo
Validate IBAN, ISBN, and similar identifiers by format and checksum (not real-world verification).
Answeringour last check, 2026-09-24
1 of 1checks answered this week
754 msmedian answer time
$0.211listed price per call
$0.211price 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://api.edifiedlab.com/v1/tools/validate
| Category | Everything else |
|---|---|
| Provider host | api.edifiedlab.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 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 | $0.211 | 754 ms |
Example input (from the provider)
{
"body": {
"scheme": "isbn13",
"type": "identifier",
"value": "9780306406157"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"allOf": [
{
"if": {
"properties": {
"type": {
"const": "identifier"
}
},
"required": [
"type"
]
},
"then": {
"required": [
"scheme",
"value"
]
}
},
{
"if": {
"properties": {
"type": {
"const": "jsonschema"
}
},
"required": [
"type"
]
},
"then": {
"required": [
"schema",
"document"
]
}
},
{
"if": {
"properties": {
"type": {
"const": "phone"
}
},
"required": [
"type"
]
},
"then": {
"required": [
"value"
]
}
}
],
"properties": {
"document": {},
"region": {
"example": "US",
"type": "string"
},
"schema": {
"type": "object"
},
"scheme": {
"enum": [
"bic",
"ean",
"ean13",
"ean14",
"ean8",
"gs1_128",
"iban",
"imei",
"imsi",
"isbn",
"isbn10",
"isbn13",
"isin",
"ismn",
"isni",
"issn",
"lei",
"mac",
"meid",
"vatin"
],
"example": "isbn13",
"type": "string"
},
"type": {
"enum": [
"jsonschema",
"identifier",
"phone"
],
"example": "identifier",
"type": "string"
},
"value": {
"example": "9780306406157",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"action": {
"const": "validate",
"type": "string"
},
"disclaimer": {
"type": "string"
},
"normalized": {
"type": [
"string",
"null"
]
},
"payload": {
"const": "validation",
"type": "string"
},
"scheme": {
"type": "string"
},
"type": {
"enum": [
"jsonschema",
"identifier",
"phone"
],
"type": "string"
},
"valid": {
"type": "boolean"
}
},
"required": [
"payload",
"action",
"type",
"valid"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}