One credit balanceBuilt for AI agentsVIN as the entity ID

Vehicle data infrastructure for AI agents

Deterministic VIN schemas. MCP, REST, and x402. Pay for the record — not the scrape.

Agents don't need another browser scrape of Carfax or KBB. They need deterministic vehicle schemas they can call every turn: VIN → specs, plate → VIN, history, value, recalls, lien/theft — same JSON, same meters, same key.

CarsXE is that layer. Claude / GPT / Gemini / Cursor are the intelligence. We are not the storefront and not the agent runtime.

Get an API keyAdd MCPAgent onboarding skill

Why agents switch off search / scrape

Search and scrape burn tokens and invent trim, title brands, and values. CarsXE returns the same JSON, on the same meters, with the same key.

Before agentsWith CarsXE
LLM “looks up” a VIN and invents trimGET /specs → make, model, year, trim, engine
Token burn to summarize a history PDFGET /history → title brands, salvage, odometer timeline
Agent guesses “what’s it worth”GET /v2/marketvalue → retail / wholesale / trade-in / auction
Recall check via NHTSA HTMLGET /v1/recalls or Recalls Batch (up to 10k VINs)
Plate photo with no structurePlate OCR → Plate Decoder → Specs

Entity resolution: the VIN is the ID. Plate + region resolves to VIN. YMM when there is no VIN. One graph, not five scrapers.

Access (pick one)

Hosted MCP for editors and CLIs. REST for production backends. An onboarding skill, LLM-readable docs, agent discovery, and x402 for a single paid call with no account.

Hosted MCP
https://mcp.carsxe.com/mcp

Claude Desktop, Cursor, VS Code, Windsurf, Claude/Gemini/Codex CLI

REST
https://api.carsxe.com

Production backends (EPA path)

Agent onboarding
https://carsxe.com/agent-onboarding/SKILL.md

Browser PKCE → CARSXE_API_KEY in under a minute

Docs for LLMs
docs.carsxe.com/llms.txt, .md routes, Accept: text/markdown

Fewer tokens, no HTML chrome

Agent discovery
https://docs.carsxe.com/.well-known/agent.json

Bootstrap routes, MCP, OpenAPI

x402 (no key)
Omit key, pay from 402

One-shot lookups only — not EPA

MCP tools today

  • get_vehicle_specs
  • decode_international_vin
  • decode_license_plate
  • get_market_value
  • get_vehicle_history
  • get_vehicle_images
  • get_vehicle_recalls
  • extract_vin_from_image
  • read_license_plate_from_image
  • get_year_make_model
  • decode_obd_code
  • check_lien_and_theft

Listed on MCP.so, MCP Market, Glama, MCP Registry, MCP Servers.

Designed for agentic consumption

The same ideas structured data APIs market for company records — we already ship them for vehicles.

  1. 1Deterministic schemas — orchestration stays stable across turns.
  2. 2Compact, typed JSON — not a wall of scrape text.
  3. 3Named tools over freeform browse — MCP tool = endpoint.
  4. 4Use credits for vehicle records from Specs, History and Market Value. Failed lookups and no-data errors do not use credits. Successful zero-recall responses are billable. YMM Options uses a minimum of 1 credit per successful response, including empty results. Bulk Recalls bills each unique submitted VIN.
  5. 5Use a production API key with one credit balance across CarsXE APIs.

Credit costs by API

One credit balance works across every API.

APICredits
Specs2 credits
Market Value25 credits
History25 credits
Plate Decoder5 credits
Lien & Theft5 credits

Failed lookups and no-data errors do not use credits. Successful zero-recall responses are billable. YMM Options uses a minimum of 1 credit per successful response, including empty results. Bulk Recalls bills each unique submitted VIN.

Who builds with CarsXE

BuyerJob
Dealer / marketplace SaaSDecode VIN → fill listing; History + MV before publish
Insurtech / FNOLPlate/VIN → specs → value; compose with site-risk APIs if needed
Lenders / fintechLien & theft + history on origination
Agent buildersMCP tools inside Cursor / Claude / custom harness
FleetsRecalls Batch nightly over inventory

Enterprise: approved Ownership access, custom credit quotes and Snowflake.

60-second start

Add the hosted MCP in one command, or call REST with the same key.

MCP (Claude CLI)
claude mcp add --transport http carsxe https://mcp.carsxe.com/mcp \
  --header "X-API-Key: YOUR_API_KEY"
REST
curl -G https://api.carsxe.com/specs \
  -d key=YOUR_API_KEY \
  -d vin=WBAFR7C57CC811956

What we are not selling

  • A shopping / merchant agent (fork Anthropic’s commerce-agents; call us for grounding)
  • A computer-use / Open Computer wrap
  • Scraped Carfax / auction / OEM portal data

Vehicle data API for AI agents

Deterministic VIN schemas. MCP, REST, and x402. Pay for the record — not the scrape.

Get an API keyAdd MCPAgent onboarding skill