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get
/
Documentation and live examples
get
/healthz
D1 health check
get
/openapi.json
This OpenAPI 3.1 document
get
/llms.txt
Plain text agent reference
get
/.well-known/mcp/server-card.json
MCP discovery card
get
/.well-known/security.txt
Security contact and disclosure preferences
get
/v1/vehicle_risk
Recorded facts for one vehicle (1 unit)
get
/v1/demo/vehicle_risk
Try recorded vehicle facts without a key (1 shared demo unit)
get
/v1/compare_vehicles
Compact facts and factual orderings (N units)
post
/v1/compare_vehicles
Compare 2..5 vehicles, bounded by max_compare (N units)
get
/v1/listing_changes
Observed listing changes (1 unit)
get
/v1/recall_changes
New and updated NHTSA recalls, investigations and complaint-count changes (1 unit)
get
/v1/watchlist
Your watched vehicles and plan cap (no charge); paid plans only
post
/v1/watchlist
Watch one vehicle for new recalls and investigations (no charge); paid plans only
delete
/v1/watchlist
Stop watching a vehicle by id, or by make, model and year (no charge)
get
/v1/watchlist/alerts
Recall and investigation changes for watched vehicles, oldest first (1 unit); paid plans only
get
/v1/index
Free public market snapshot (no key or usage charge)
get
/v1/usage
Own plan and UTC counters (no charge)
get
/mcp
Unsupported; use POST
post
/mcp
Stateless Streamable HTTP MCP
delete
/mcp
Unsupported; stateless server
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D1 health check
get
/healthz
Request
Base URL:
https://api.theusedcarindex.com
URL:
https://api.theusedcarindex.com/healthz
Auth:
none required
Response
Success
object
required
ok
boolean
required
Changes
No recorded changes to this operation across all 1 revision of this API.