Diff two OpenAPI specs
Diff two OpenAPI specs: breaking changes, added paths, and contract drift.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
735 msmedian answer time
$0.011listed price per call
$0.011price 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/openapi/compare
| 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 | $0.011 | 735 ms |
Example input (from the provider)
{
"body": {
"base_spec": "{\"openapi\":\"3.0.0\",\"info\":{\"title\":\"Widget\",\"version\":\"1.0\"},\"paths\":{}}",
"revised_spec": "{\"openapi\":\"3.0.0\",\"info\":{\"title\":\"Widget\",\"version\":\"1.1\"},\"paths\":{}}"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"allOf": [
{
"anyOf": [
{
"required": [
"base_spec"
]
},
{
"required": [
"base_openapi"
]
}
]
},
{
"anyOf": [
{
"required": [
"revised_spec"
]
},
{
"required": [
"revised_openapi"
]
}
]
}
],
"properties": {
"base_openapi": {
"oneOf": [
{
"maxLength": 262144,
"type": "string"
},
{
"type": "object"
},
{
"type": "array"
}
]
},
"base_spec": {
"oneOf": [
{
"maxLength": 262144,
"type": "string"
},
{
"type": "object"
},
{
"type": "array"
}
]
},
"path_count": {
"maximum": 5000,
"type": "integer"
},
"revised_openapi": {
"oneOf": [
{
"maxLength": 262144,
"type": "string"
},
{
"type": "object"
},
{
"type": "array"
}
]
},
"revised_spec": {
"oneOf": [
{
"maxLength": 262144,
"type": "string"
},
{
"type": "object"
},
{
"type": "array"
}
]
}
},
"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": "compare",
"type": "string"
},
"base_bytes": {
"type": "integer"
},
"breaking": {
"type": "boolean"
},
"breaking_changes": {
"type": "array"
},
"json": {
"oneOf": [
{
"type": "array"
},
{
"type": "object"
}
]
},
"payload": {
"description": "Opaque internal registry id on the paid response. Discovery capability label is 'openapi_diff' (serviceName/tags); do not treat that label as this field.",
"type": "string"
},
"revised_bytes": {
"type": "integer"
},
"text": {
"type": "string"
}
},
"required": [
"payload",
"action",
"text",
"json",
"breaking"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}