---
title: "Compare 2–6 loan offers by true total cost (payments + fees) and rank them."
method: POST
path: "/v1/lending/compare"
tags: ["Lending"]
---

# Compare 2–6 loan offers by true total cost (payments + fees) and rank them.

`POST /v1/lending/compare`

## Request

- Base URL: `` (relative, and it does not resolve against the document’s source URL)
- URL: `/v1/lending/compare`
- Auth: none declared

Compare 2–6 loan offers by true total cost (payments + fees) and rank them.

Payment: x402 ($0.05 USDC on eip155:8453). Call unpaid to receive an HTTP 402 with requirements, then retry with the PAYMENT-SIGNATURE header. Method: per offer: amortized payment, total interest, totalCost = totalPaid + fees; ranked ascending

## Request body

- object
  - `offers` object[], required
    - `name` string
    - `loanAmount` number, required
    - `apr` number, required
    - `termMonths` number, required
    - `fees` number

## Response `200`

Verified result + provenance (formula, sources, reproducible SHA-256 hash).

## Other responses

- `400`: Invalid input (no charge) — body echoes the JSON Schema.
- `402`: Payment required — PAYMENT-REQUIRED header carries the x402 accepts[] quote.

---

[API](https://skmtc.dev/x402toll/apis/tollbooth-verified-calculators-for-ai-agents.md) · [All operations](https://skmtc.dev/x402toll/apis/tollbooth-verified-calculators-for-ai-agents/llms.txt) · [OpenAPI document](https://skmtc.dev/x402toll/apis/tollbooth-verified-calculators-for-ai-agents/revisions/60cb70a3e1a5?raw)