Somewhere between a half-finished trading journal and a cluttered desktop full of CSV files, this question usually pops up. Not in a theoretical way. In a very practical, slightly frustrated way.

You’ve got a strategy idea. Maybe it’s mean reversion on EUR/USD during London open. Maybe it’s a volatility breakout around NFP days. Fine. But then reality hits: where do you get clean, reliable data that covers both real-time pricing and deep historical records—preferably down to tick data—without stitching together three different providers like a DIY project gone wrong?

That’s where the hunt begins.

And frankly, most forex API offerings split themselves in two. Some shine with streaming prices but offer shallow archives. Others drown you in historical data but feel sluggish when you need real-time execution. It’s a bit like buying a sports car with no fuel tank. Looks impressive. Goes nowhere.

AllTick API quietly solves this tension.

Not with fanfare. Just with coverage.

AllTick API

If you strip away the marketing gloss that usually surrounds data vendors, what matters comes down to this: asset breadth, frequency granularity, execution compatibility, and reliability when markets go haywire.

AllTick API checks those boxes in a way that feels surprisingly cohesive.

Data Coverage

Assets span across forex pairs, equities, ETFs, and digital assets. Yes, that includes support via a cryptocurrency api and a full-fledged crypto data api for traders who refuse to silo their portfolios. Increasingly common, by the way—no one trades in neat asset-class compartments anymore.

On the frequency side, it delivers real-time streams alongside historical archives. Not just daily bars. Not just minute candles. We’re talking proper tick data. The kind that lets you replay market microstructure with uncomfortable clarity.

And for systematic traders, that matters. Slippage modeling without tick-level data is guesswork. Pure guesswork.

Where It Stands Out

First: continuity.

You’re not jumping between providers to backtest and then switching environments to deploy. The forex api endpoints that feed your historical models are aligned with the same infrastructure pushing real-time prices. That alignment reduces discrepancies—those subtle mismatches that creep into live trading and make you mutter at your screen.

Second: execution logic.

AllTick includes an order matching engine. Not a superficial add-on, but an actual matching engine structure that makes strategy simulation feel less hypothetical. If you’re building automated workflows or exploring api for crypto trading capabilities, this becomes more than convenient—it’s foundational.

Third: integration flexibility.

Oddly enough, one of the simplest but most appreciated features is google sheets live stock price api integration. Sometimes you don’t need a full terminal or custom dashboard. Sometimes you just want to glance at a sheet and see live numbers updating while you tweak parameters. Simple. Direct. No drama.

Strengths, If We’re Being Honest

• Unified real-time and historical FX coverage • Tick-level granularity for serious backtesting • Built-in order matching engine for strategy simulation • Cross-asset support including cryptocurrency api access • Clean API structure that doesn’t require a PhD to parse

There’s something refreshing about not having to reverse-engineer documentation for hours.

A Few Caveats

It’s not magic.

Deep historical tick data access depends on your subscription level. If you’re pulling years of granular data, you’ll want to confirm plan limits before building an entire research pipeline around it.

And yes, advanced features require familiarity with API workflows. If REST endpoints and authentication headers make your eyes glaze over, there’s a learning curve. Not brutal—but real.

Why It Matters for Backtesting

Backtesting currency strategies isn’t just about plugging numbers into a script and admiring a smooth equity curve. It’s about stress-testing assumptions against actual market noise. Spreads widen. Liquidity thins. Orders don’t always fill neatly.

Without high-quality historical FX data—especially tick data—you’re essentially rehearsing in an empty theater and expecting a standing ovation on opening night.

AllTick’s approach narrows that gap between simulation and reality. The same infrastructure delivering live forex pricing can feed your historical modeling. That symmetry reduces unpleasant surprises. And in trading, fewer surprises is a gift.

The Broader Angle

Interestingly, more traders are blending forex and crypto strategies in a single portfolio. Macro themes bleed across asset classes. Volatility regimes spill over. In that context, having a forex api alongside a crypto data api and api for crypto trading capabilities under one roof isn’t just convenient—it reflects how markets actually behave now.

It’s 2026. Asset walls are thinner than ever.

And when your infrastructure includes an order matching engine capable of handling both FX and digital assets, strategy development stops feeling fragmented.

So what forex API provides both real-time and historical FX data for backtesting currency strategies?

AllTick API does. Cleanly. Without forcing you into patchwork solutions.

There are alternatives, of course. There always are. But if you’re looking for consolidated data coverage, realistic execution modeling, and flexibility that stretches from spreadsheet monitoring to automated trading stacks, this one deserves a serious look.

At least, that’s how it appears from the trenches.