Reinsurance (Reas) Broker System — Host-to-Host Integration

Purpose of Host-to-Host

Digitize treaty & facultative placements between cedents and reinsurers via direct system-to-system APIs.
Automate technical accounts, statements of account (SoA), cash calls, and collections with reconciliation.
Exchange endorsements, bordereaux, and claim recoveries with evidence, securely and traceably.

Core Data Objects

Placement: slip, layers, target shares, markets, clauses/wordings
Quote: line %, rate, brokerage, taxes, subjectivities, conditions
Binding: signed lines, order %, signing slip, T&Cs, inception/expiry
Endorsement: amendments to terms, lines, premiums, dates
Cession: risk references, written/earned premium, commissions, brokerage
Bordereaux: premium & loss bordereaux by period
Claims & Recoveries: advices, reserves, settlements, collections
Technical Account: period balances, carry forwards, FX, brokerage
Statement of Account (SoA): settlement instructions & references
Cash Call: advice, due date, currency, bank details, status
Events: placementSent, quoteReturned, orderSigned, endorsementIssued, bordereauPosted, soaSettled

Example API Endpoints

POST /placements
Create treaty/fac placement; attach slip, layers, targets

POST /quotes
Collect/submit quotes from/to markets

POST /bindings
Publish signed lines and binding details

POST /endorsements
Issue endorsements; update premium deltas

POST /bordereaux/premium
Submit premium bordereau

POST /bordereaux/loss
Submit loss bordereau incl. reserves

POST /technical-accounts
Exchange TA for the accounting period

POST /statements/soa
Issue/reconcile Statement of Account

POST /cash-calls
Create/receive cash call advice

POST /claims/recoveries
Request or post recovery collections

POST /files/ebot-ecot
Upload/download ACORD GRLC (EBOT/ECOT)

POST /callbacks/status
Asynchronous updates to cedents/markets

Sample Statement of Account

POST /statements/soa
{
  "program":"PROP-CAT-2025",
  "period":"2025-07",
  "currency":"USD",
  "balances":{
    "opening": 1250000,
    "premium": 430000,
    "brokerage": -64500,
    "tax": -4300,
    "claimsPaid": -220000,
    "recoveries": 90000,
    "closing": 1432200
  },
  "bankRef":"CITI-TRX-882110",
  "notes":"Includes FAC endorsement E07"
}

Reference Flows

Placement Lifecycle

Broker builds placement → sends to markets
Collect quotes → negotiate terms
Bind order; publish signed lines & documents

Operational Reporting

Receive/pass premium & loss bordereaux
Exchange technical accounts
Produce SoA; reconcile exceptions

Claims & Recoveries

Notify reinsurers; sync reserves/settlements
Issue/track cash calls; collect recoveries
Feed finance & DW for aging/FX revaluation

Standards & Interop

Support ACORD GRLC EBOT/ECOT messages
Secure file exchange for large exhibits
Map to cedent/reinsurer codes & COA

Security & Controls

mTLS, OAuth2/JWT; IP allow-list; JWS signatures for payload integrity.
Maker-checker for endorsements & settlements; versioned slips & documents.
PII minimization; document hashing; virus scan for large uploads.
Idempotency keys; replay protection; rate limiting; FX rounding controls.

Monitoring & Audit

Placement cycle KPIs; quote turnaround; signed-line variances.
TA vs SoA reconciliation; unmatched line items; aging.
Complete audit trail for placements, endorsements, and settlements.

What You Get

OpenAPI + ACORD GRLC mappings; Postman & mock endpoints.
Templates for slips, bordereaux, TA, and SoA (CSV/JSON/PDF).
Reconciliation dashboards & exception queues.
Callbacks examples and retry/backoff strategies.
Annual maintenance incl. change requests; on-prem or cloud.