# Page Not Found The URL `files/7yFbAKdTLWqt9cVttJFr` does not exist. This page may have been moved, renamed, or deleted. ## Suggested Pages You may be looking for one of the following: - [Validations, Duplicates & Fraud](https://docs.nexusglobalpayments.org/payment-processing/validations-duplicates-and-fraud.md) - [Ensuring settlement certainty](https://docs.nexusglobalpayments.org/payment-processing/ensuring-settlement-certainty.md) - [Rates from Third-Party FX Providers](https://docs.nexusglobalpayments.org/fx-provision/rates-from-third-party-fx-providers.md) - [Step 12: Ask the Sender for approval](https://docs.nexusglobalpayments.org/payment-setup/step-12-ask-the-sender-for-approval.md) - [Financial Institutions](https://docs.nexusglobalpayments.org/apis/financial-institutions.md) ## How to find the correct page If the exact page cannot be found, you can still retrieve the information using the documentation query interface. ### Option 1 — Ask a question (recommended) Perform an HTTP GET request on the documentation index with the `ask` parameter: ``` GET https://docs.nexusglobalpayments.org/payment-processing/validations-duplicates-and-fraud.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. ### Option 2 — Browse the documentation index Full index: https://docs.nexusglobalpayments.org/sitemap.md Use this to discover valid page paths or navigate the documentation structure. ### Option 3 — Retrieve the full documentation corpus Full export: https://docs.nexusglobalpayments.org/llms-full.txt Use this to access all content at once and perform your own parsing or retrieval. It will be more expensive. ## Tips for requesting documentation Prefer `.md` URLs for structured content, append `.md` to URLs (e.g., `/payment-processing/validations-duplicates-and-fraud.md`). You may also use `Accept: text/markdown` header for content negotiation.