Vindex API — Canada-aware vehicle intelligence for AI agents — per-call, no signup.

# Vindex API — Canada-aware vehicle intelligence for AI agents — per-call, no signup. (v0.2.1) > Vehicle Intelligence for AI agents — Canada-aware, per-call, no signup. Pay per call with x402 > (USDC on Base) to read MERGED US (NHTSA) + Canada (Transport Canada) recalls with the > full decoded 17-char VIN folded in, get LLM-clustered known-issue reports that bundle a > reliability-aggregates block and the full decode (every issue cites verified ODI complaint numbers), > and itemized used-car closing costs for all of Canada (10 provinces > + 3 territories) + all 50 US states & DC. FREE /v1/sample/* > endpoints return every response shape for one fixed sample vehicle so you can try before you pay. > Informational data only — NOT professional/purchase advice, and NOT a vehicle-history report. ## Base URL - API: https://api.vindexapi.dev - This document: https://api.vindexapi.dev/llms.txt · Extended: https://api.vindexapi.dev/llms-full.txt - Discovery (JSON): https://api.vindexapi.dev/discovery - OpenAPI 3.1: https://api.vindexapi.dev/openapi.json - x402 manifest: https://api.vindexapi.dev/.well-known/x402 - Agent card (A2A): https://api.vindexapi.dev/.well-known/agent-card.json - Terms: https://api.vindexapi.dev/terms.txt ## Free endpoints (no auth, no payment) | Method | Path | Description | |--------|------|-------------| | GET | /.well-known/hexanon | Catalog of all products in the Hexanon family (x402 data & intelligence APIs for AI agents) — names, taglines, API base URLs, docs, MCP packages. Same catalog on every Hexanon product; canonical copy at https://api.moltalyzer.xyz/.well-known/hexanon. (rate limit: 5/min) | | GET | /v1/sample/decode | Free, no payment. Normalized NHTSA vPIC decode for the fixed sample vehicle. Same shape as paid GET /v1/decode plus `sample: true` and `note`. (rate limit: 5/min) | | GET | /v1/sample/recalls | Free, no payment. Merged NHTSA (US) + Transport Canada (CA) recalls + full decoded vehicle for the fixed sample ve

{ "openapi": "3.1.0", "info": { "title": "Vindex API", "version": "0.2.1", "x-guidance": "Pay-per-call vehicle-data API (x402, USDC on Base eip155:8453). Four paid endpoints: GET /v1/decode?vin={vin} ($0.01, normalized NHTSA vPIC decode + original factory-warranty terms keyed off make/model-year), GET /v1/recalls?vin={vin} ($0.01, merged US+Canada recalls + full decoded vehicle), GET /v1/known-issues?vin={vin} ($0.05, LLM-clustered failure modes + reliability-aggregates block + f