---
title: "Arc Paymaster Economics Model"
method: POST
path: "/v1/tools/model_arc_paymaster_economics"
tags: ["TODO_TAGS_REVIEW"]
---

# Arc Paymaster Economics Model

`POST /v1/tools/model_arc_paymaster_economics`

## Request

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

ERC-4337 Paymaster economics model for Arc. Computes gas cost (gasPerUop × gasPriceGwei × 1e-9 × ethPriceUsd), sponsorship break-even, and per-UOp user-facing cost. Comparison: Arc user pays / Arc+Paymaster / Ethereum L1. No ETH bootstrap required on Arc (USDC-as-gas).

**Tool URL:** https://ainumbers.co/chaingraph/art-46-arc-paymaster-model.html
**AP2/Policy Mandate export:** yes

## Request body

- object
  - `arc_usdc_per_gas_unit` unknown
  - `eth_price_usd` unknown
  - `gas_per_uop` unknown
  - `gas_price_gwei` unknown
  - `impl_months` unknown
  - `merchant_sponsorship_pct` unknown
  - `monthly_uops` unknown

## Response `200`

Successful tool execution result

- object
  - `verdict` string
  - `compliance_flags` string[]

---

[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)