Developer platform

Parts data for your systems.

Embed cross-reference and fitment intelligence in counter software, GMS, and stock systems — under your own brand.

Endpoints

Everything you need to build.

GET

Part number resolution

Resolve any part number to OEM, aftermarket and brand-equivalents — scoped by vehicle segment (car, motorcycle, HGV, agricultural, plant).

/api/v1/resolve?q=1K0615301M&vehicle_segment=car
POST

Vehicle lookup (DVLA)

Full DVLA record for any UK VRM: make, model, year, fuel, MOT and tax status. Returns vehicle_segment=car.

/api/v1/vehicle/lookup
GET

Fitment lookup

Find compatible parts for a vehicle and part type. Requires vehicle_segment to scope cars, bikes, HGVs or tractors.

/api/v1/fitment?vehicle_segment=car&part_type=car-brakes-brake-parts-brake-pads&vrm=AB12CDE
GET

Part types by segment

Browse the part type taxonomy for a vehicle segment to discover valid part_type slugs.

/api/v1/part-types?vehicle_segment=hgv
GET

Vehicle types by segment

Search vehicle types for non-DVLA segments (tractors, HGV, plant). Use the ID with the fitment endpoint.

/api/v1/vehicle-types?vehicle_segment=agricultural&make=John+Deere
POST

Bulk resolve

Resolve up to 100 part numbers in one request (Workshop Pro+). Ideal for overnight catalogue enrichment.

/api/v1/resolve/bulk
GET

Part group detail

Equivalence group with all member numbers, cross-references, and cross-vehicle fitments (Workshop Pro+).

/api/v1/part-groups/{id}
POST

Part feedback

Submit whether a part worked and why, feeding live confidence scores for future matches.

/api/v1/parts/{id}/feedback
Pricing

Simple and transparent.

Pick a plan. Upgrade as you grow. Cancel anytime.

Garage

Single-site workshops embedding counter lookup.

£49/month
  • 1,000 API requests / month
  • Part number resolution
  • Vehicle lookup (DVLA)
  • 2 API keys (prod + staging)
  • Email support
Get started
Most popular

Workshop Pro

Multi-site garages and small factors.

£149/month
  • 10,000 API requests / month
  • Bulk resolve (100 numbers/request)
  • Fitment + part group data
  • Outbound webhooks
  • Price intelligence
  • 5 API keys
  • Priority email support
Get started

Platform

GMS vendors, large factors, and distributors.

£499/month
  • Unlimited API requests (fair use)
  • Everything in Workshop Pro
  • IP allowlisting
  • SSO + white-label widget
  • RFQ pilot API
  • SLA guarantee (99.9%)
Contact sales

All plans subject to UK VAT. Unused requests do not roll over.

Documentation

Quick to integrate.

RESTful JSON over HTTPS. Bearer token authentication. OpenAPI spec at app.partsresolve.com/api/docs (sign in required).

  • RESTful JSON API
  • Bearer token authentication
  • OpenAPI documentation
  • Production + staging keys
  • 100 free trial requests
request
curl -X GET \
  'https://app.partsresolve.com/api/v1/resolve?q=1K0615301AD&vehicle_segment=car' \
  -H 'Authorization: Bearer YOUR_API_KEY' \
  -H 'Accept: application/json'
response · 200
{
  "query": { "raw": "1K0615301AD", "normalised": "1K0615301AD" },
  "part_item": {
    "display_name": "Brake disc front",
    "status": "verified"
  },
  "equivalence_group": {
    "canonical_part_number": "1K0615301AD",
    "members": [ /* OEM, aftermarket, breaker */ ]
  },
  "cross_references": [ /* same, compatible */ ],
  "evidence": [ /* cited sources */ ]
}
Questions

Frequently asked.

How do I get an API key?

Sign up for a Parts Resolve account and head to the API section in your dashboard. You can generate and manage multiple keys per environment.

What counts as a request?

Each call to an endpoint counts as one request. Batch operations count as one request regardless of the number of items (up to 100 per batch).

Is there a free trial?

Yes — every new account gets 100 free API requests to test the service. No credit card needed.

What happens if I exceed my monthly limit?

You will be notified at 80% of your limit. Beyond your limit, requests return a 429 status code. You can upgrade your plan at any time.

Do you offer custom pricing for high volume?

Yes — contact sales for custom pricing if you need more than 100,000 requests per month or have specific requirements.

What is the API uptime guarantee?

Workshop Pro plans include 99.5% uptime SLA. Platform plans include 99.9% uptime SLA with dedicated support.

Ready to integrate?

Get 100 free requests to test the service. No card required.