Check that every reference in a child dataset resolves to a parent
Check that every reference in a child dataset resolves to a parent. Containment is one-directional, which is the difference from a reconciliation: a parent key nothing references is normal and is reported as a count, while a child key with no parent is a broken reference reported with every row carrying it. Also catches a duplicated parent key, which makes any reference to it ambiguous.
Answers HTTP 429 without x402 payment termsour last check, 2026-10-04
0 of 1checks answered this week
n/amedian answer time
$0.14listed price per call
n/aprice it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://api.zfinia.com/x402/v1/referential-integrity-audit
| Category | Code and developer |
|---|---|
| Provider host | api.zfinia.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-04 | no x402 terms | 429 | 239 ms |
Example input (from the provider)
{
"body": {
"child": "order_id,customer_id,amount\nO-1,C-001,10.10\nO-2,C-001,20.20\nO-3,C-002,5.00\nO-4,C-999,7.50\nO-5,,3.00\n",
"child_key": [
"customer_id"
],
"parent": "customer_id,name,region\nC-001,Acme,ap-southeast-2\nC-002,Globex,us-east-1\nC-003,Initech,eu-west-1\nC-003,Initech Duplicate,eu-west-1\n",
"parent_key": [
"customer_id"
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"allow_empty_reference": {
"type": "boolean"
},
"child": {
"maxLength": 262144,
"type": "string"
},
"child_key": {
"items": {
"maxLength": 256,
"type": "string"
},
"maxItems": 4,
"minItems": 1,
"type": "array"
},
"delimiter": {
"maxLength": 1,
"minLength": 1,
"type": "string"
},
"parent": {
"maxLength": 262144,
"type": "string"
},
"parent_key": {
"items": {
"maxLength": 256,
"type": "string"
},
"maxItems": 4,
"minItems": 1,
"type": "array"
}
},
"required": [
"parent",
"child",
"parent_key",
"child_key"
],
"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"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}