---
title: "Payment Error Code Resolver"
method: POST
path: "/v1/tools/resolve_payment_error_code"
tags: ["payment", "error", "code", "decline", "resolver", "swift", "sepa", "nacha", "ach", "visa"]
---

# Payment Error Code Resolver

`POST /v1/tools/resolve_payment_error_code`

## Request

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

Resolves payment decline/error codes across 8 rails (SWIFT, SEPA, NACHA ACH, Visa, Mastercard, FPS, FedNow, RTP) with root cause and remediation steps.

**Tool URL:** https://ainumbers.co/tools/403-payment-error-code-resolver.html

## Request body

- object

## Response `200`

Successful tool execution result

- object
  - `result` object
  - `summary` 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)