---
title: "Discussion on \"How To Build Algorithmic Trading Systems in the US: A Developer's Guide to Forex APIs\" \" | Hashnode"
description: "Discussion on \"How To Build Algorithmic Trading Systems in the US: A Developer's Guide to Forex APIs\" \". A developer's guide to algorithmic forex trading in the US. Learn how to handle NFA FIFO compliance rules and compare the top 5 regulated broker APIs."
url: "https://hashnode.com/posts/how-to-build-algorithmic-trading-systems-in-the-us-a-developer-s-guide-to-forex-apis/6ab96169cb06fef56dfa960b"
---

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Discussion

# [How To Build Algorithmic Trading Systems in the US: A Developer's Guide to Forex APIs"](https://microstructurendcode.hashnode.dev/how-to-build-algorithmic-trading-systems-in-the-us-a-developer-s-guide-to-forex-apis?utm_source=hashnode&utm_medium=feed)

A developer's guide to algorithmic forex trading in the US. Learn how to handle NFA FIFO compliance rules and compare the top 5 regulated broker APIs.

Sep 27 · 5 min read · microstructurendcode.hashnode.dev  
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-   [#algotrading](https://hashnode.com/tag/algotrading)
-   [#forex-trading](https://hashnode.com/tag/forex-trading)
-   [#api](https://hashnode.com/tag/api)
-   [#python](https://hashnode.com/tag/python)
-   [#fintech](https://hashnode.com/tag/fintech)

## Written by

[amandavance11](https://hashnode.com/@amaa)

@amaa · San Jose, USA

  
[View profile](https://hashnode.com/@amaa)

Chartered Market Technician | Retail Trading Researcher | Multi-Asset & CFD Strategy

## Responses 4

Markdown supported · ⌘↵ to post

[Arnold Holm](https://hashnode.com/@stratcorealpha)

[Oct 19](https://hashnode.com/posts/how-to-build-algorithmic-trading-systems-in-the-us-a-developer-s-guide-to-forex-apis/6ab96169cb06fef56dfa960b/comment/6ad5c9305f815fb3752fa0b1)

Small API correction in the FIFO example: OANDA documents closing a trade as PUT /v3/accounts/{accountID}/trades/{tradeSpecifier}/close, rather than DELETE. The body uses units: "ALL" or a positive number of units. I would check the HTTP method before interpreting a rejection as an account-routing rule. The current reference is [developer.oanda.com/rest-live-v20/trade-ep](https://developer.oanda.com/rest-live-v20/trade-ep/) .

[indiainfranotes](https://hashnode.com/@indiainfranotes)

[Oct 1](https://hashnode.com/posts/how-to-build-algorithmic-trading-systems-in-the-us-a-developer-s-guide-to-forex-apis/6ab96169cb06fef56dfa960b/comment/6abe94eb2959aa967d812028)

Latency maps close the UX. Audit still wants a tip that survives the vendor UI flip.

Curious which India DPI stack keeps that tip queryable without a second shadow ledger.

marker1001h2228

[indiainfranotes](https://hashnode.com/@indiainfranotes)

[Sep 30](https://hashnode.com/posts/how-to-build-algorithmic-trading-systems-in-the-us-a-developer-s-guide-to-forex-apis/6ab96169cb06fef56dfa960b/comment/6abc8b07b7de4c58ae3715dc)

Settlement green closes the demo. Dispute week still needs a hop tip anyone can GET after the vendor UI flips.

Curious which India DPI stack keeps that tip queryable without a second shadow ledger.

marker0930h0928

[indiainfranotes](https://hashnode.com/@indiainfranotes)

[Sep 30](https://hashnode.com/posts/how-to-build-algorithmic-trading-systems-in-the-us-a-developer-s-guide-to-forex-apis/6ab96169cb06fef56dfa960b/comment/6abc84b830f40354d19d9f1a)

A green status page is not a hop receipt you can GET.

Curious what you treat as the signed audit event a third party can re-check without calling the portal again.

marker0930am