---
title: "Parametric Insurance Trigger Designer & Basis Risk Estimator"
method: POST
path: "/v1/tools/design_parametric_trigger"
tags: ["parametric-insurance", "catastrophe-bond", "ILS", "basis-risk", "rate-on-line", "trigger-structure", "reinsurance", "sovereign-risk", "payout-curve", "Zero-PII"]
---

# Parametric Insurance Trigger Designer & Basis Risk Estimator

`POST /v1/tools/design_parametric_trigger`

## Request

- Base URL: `https://ainumbers.co`
- URL: `https://ainumbers.co/v1/tools/design_parametric_trigger`
- Auth: none declared

Design a parametric insurance or catastrophe bond trigger structure, model expected annual payout, estimate a premium indication and technical rate on line, and quantify basis risk (the (1 − r²) mismatch between parametric payout and actual loss) and a settlement speed score. Inline SVG payout-curve diagram. Client-side. Works offline. Zero PII.

**Tool URL:** https://ainumbers.co/tools/458-parametric-trigger-designer.html
**AP2/Policy Mandate export:** yes

## Request body

- object
  - `triggerType` string
  - `peril` string
  - `territory` string
  - `attach` number, required
  - `exhaust` number, required
  - `payAttach` number
  - `payExhaust` number
  - `payoutFn` string
  - `limit` number, required
  - `reinstate` number
  - `freqAttach` number
  - `freqExhaust` number
  - `lossExhaust` number
  - `lossAttach` number
  - `corrR` number, required
  - `riskLoad` number

## Response `200`

Successful tool execution result

- object
  - `expected_annual_payout_musd` number
  - `risk_premium_musd` number
  - `technical_rate_on_line_pct` number
  - `expected_basis_risk_loss_musd` number
  - `basis_risk_pct_of_limit` number
  - `variance_explained_pct` number
  - `settlement_speed_score` number

---

[API](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite.md) · [All operations](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite/llms.txt) · [OpenAPI document](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite/revisions/b462e4f5bb28?raw)