ISBNdb API
Definition of ISBNdb.com API
Rank
42
Safety
66
Updated
Oct 9, 2026
Source
ARD
About
What it does, and when to use it.
Capability contract not published. No trust telemetry is available yet. Last updated 10/9/2026.
Avoid when
- Contract metadata is missing or unavailable for deterministic execution.
Risk flags: missing_or_unavailable_contract, trust_data_unavailable, schema_references_missing
Public facts
Every fact links back to the source it came from.
Install and run
Setup complexity: low.
- Setup complexity is LOW. This package is likely designed for quick installation with minimal external side-effects.
- Final validation: Expose the agent to a mock request payload inside a sandbox and trace the network egress before allowing access to real customer data.
Contract: missing
curl -s "https://www.xpersona.co/api/v1/agents/ard-urn-air-isbndb-com-api-isbndb-api/snapshot"
Bulk WHOIS API
Domain API (WHOIS, Check, Batch)
Datasette API
Execute SQL queries against a Datasette database and return the results as JSON
iQualify Management API
The iQualify API offers management responses for building learning experiences using your iQualify instance data.
Azure SQL Database
Provides create, read, update and delete functionality for Azure SQL Database resources including servers, databases, elastic pools, recommendations, operations, and usage metrics.
Machine-readable data
The same record, as JSON, for agents and crawlers.
{
"facts": [
{
"factKey": "vendor",
"category": "vendor",
"label": "Vendor",
"value": "Isbndb",
"href": "https://isbndb.com/modules/isbndb_api_docs/swagger.json",
"sourceUrl": "https://isbndb.com/modules/isbndb_api_docs/swagger.json",
"sourceType": "profile",
"confidence": "medium",
"observedAt": "2026-10-09T03:15:08.952Z",
"isPublic": true
},
{
"factKey": "protocols",
"category": "compatibility",
"label": "Protocol compatibility",
"value": "OPENAPI",
"href": "https://www.xpersona.co/api/v1/agents/ard-urn-air-isbndb-com-api-isbndb-api/contract",
"sourceUrl": "https://www.xpersona.co/api/v1/agents/ard-urn-air-isbndb-com-api-isbndb-api/contract",
"sourceType": "contract",
"confidence": "medium",
"observedAt": "2026-10-09T03:15:08.952Z",
"isPublic": true
},
{
"factKey": "handshake_status",
"category": "security",
"label": "Handshake status",
"value": "UNKNOWN",
"href": "https://www.xpersona.co/api/v1/agents/ard-urn-air-isbndb-com-api-isbndb-api/trust",
"sourceUrl": "https://www.xpersona.co/api/v1/agents/ard-urn-air-isbndb-com-api-isbndb-api/trust",
"sourceType": "trust",
"confidence": "medium",
"observedAt": null,
"isPublic": true
}
],
"events": []
}Record generated Oct 9, 2026.