CostKits Platform API

Healthcare coverage data
for your app

Coverage rules, prior auth requirements, cost-sharing data, and bill intelligence — delivered as a simple REST API.

The APIs you get
Builder+

Coverage Summary

Is a procedure covered for a given carrier? What's the policy status?

Builder+

Prior Auth Rules

Required, conditional, or not required — with the specific criteria.

Builder+

Cost Sharing

Deductible, copay, and coinsurance rules per procedure per carrier.

Builder+

Frequency Limits

How often is a procedure covered? Age and interval restrictions.

Pro only

Coverage Triggers

Medical necessity triggers and clinical criteria required for approval.

Pro only

Bill Intelligence

Detect duplicates, unbundling, screening reclassification, and benchmark overcharges.

All plans also include /v1/coverage/procedures and /v1/coverage/carriers. Full docs →

Choose a plan
Sandbox
$0 / month
100 calls/month · for testing
  • Auth & quota endpoints
  • Carrier list (metadata only)
  • No credit card required
  • Key issued instantly
Pro
$499 / month
50,000 calls/month
  • Everything in Builder
  • Coverage triggers
  • Bill intelligence (POST /v1/bill-analysis)
  • Higher rate limits

Get your API key

Select a plan above, then enter your email.

✓ Your Sandbox key (100 calls/month):

Save this key — it will not be shown again. Upgrade anytime at costkits.com/api-keys.

📖 See every endpoint with request/response examples and a live tester.

View full docs