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Build with Silver APIs

Integrate FSA/HSA eligibility checks, claim submission, and automated adjudication into your platform.

Request AccessQuick Start →
Eligibility check
curl -X POST https://eligibility.withsilver.app/v1/product \
  -H "apiKey: your-api-key" \
  -H "Content-Type: application/json" \
  -d '{"title": "Advil Ibuprofen Tablets"}'

# => {"eligibility": "eligible", ...}

Choose your path

Silver APIs serve two audiences, each with dedicated endpoints and API keys.

Partners

Platforms and merchants that offer benefit spending to customers.

  • Eligibility API — check FSA/HSA product eligibility
  • Claim Submission API — submit claims on behalf of members
Explore Partner APIs →

Administrators / TPAs

Manage benefit plans and process claims with automated adjudication.

  • Claims API — submit claims with evidence for adjudication
  • Webhooks — real-time adjudication notifications
Explore Admin APIs →
8M+
Distinct Products
150K+
Eligible Services
<1 min
Avg. Adjudication Time

SOC 2 • HIPAA • IRS-compliant • REST API • Pay-per-decision pricing

Popular resources

Jump straight to the guides you need.

Authentication
API keys, headers, and error handling.
Eligibility Workflow
Check product eligibility at checkout.
Claims Workflow
Submit and track claims through adjudication.
Claim Submission
Multi-step claim submission for partners.
Webhooks
Receive real-time adjudication results.
Quick Start
Example requests for every API endpoint.