Proposals, e-sign, payments and finance. Inside your product.

# Example request — illustrative, final API in docs
POST /v1/checkout/sessions
Authorization: Bearer sk_sandbox_example
Content-Type: application/json

{
  "agency_ref": "example-insurance-group",
  "producer": { "name": "Alex Rivera", "npn": "0000000" },
  "insured": {
    "name": "Example Marine LLC",
    "email": "ops@example.com"
  },
  "policy": {
    "carrier": "Example Mutual",
    "line": "commercial_package",
    "premium_usd": 18450.00,
    "effective": "2026-10-01"
  },
  "options": {
    "pay_in_full": true,
    "premium_finance": { "down_payment_pct": 25, "installments": 9 }
  },
  "require_signature": true,
  "return_url": "https://your-app.example/policies/88213"
}

# 201 Created
{ "id": "cs_demo_7Qm2", "url": "https://pay.example/cs_demo_7Qm2",
  "status": "open" }

# Example request — illustrative, final API in docs
POST /v1/proposals
Authorization: Bearer sk_sandbox_example
Content-Type: multipart/form-data

agency_ref   = example-insurance-group
insured_name = Example Marine LLC
quotes[]     = @carrier-a-quote.pdf
quotes[]     = @carrier-b-quote.pdf
branding     = agency_default

# 202 Accepted — AI reads the quotes, then calls you back
{
  "id": "prop_demo_4Lk9",
  "status": "reading_quotes",
  "options_found": 2,
  "webhook": "proposal.ready"
}

# Example event — illustrative, final API in docs
POST https://your-app.example/hooks/policyos
PolicyOS-Signature: t=1790000000,v1=demo

{
  "type": "checkout.financed",
  "created": "2026-10-01T15:04:22Z",
  "data": {
    "session": "cs_demo_7Qm2",
    "agency_ref": "example-insurance-group",
    "down_payment_usd": 4612.50,
    "financed_usd": 13837.50,
    "installments": 9,
    "agreement_signed": true
  }
}