Liquidity and payments are where a launch quietly succeeds or fails. Your liquidity arrangement sets the prices and execution your clients actually experience; your payment stack decides whether they can fund an account at all. Both are sold hard, and both hide their real terms in the cases that aren’t the happy path.
Here’s the independent version — what you’re actually buying, and the questions that separate a good deal from an expensive one.
What a liquidity provider actually gives you
A liquidity provider (LP) — often a prime broker, prime-of-prime, or an aggregator pulling several feeds — gives you the pricing and the ability to fill client orders. What matters isn’t the logo; it’s the pricing quality, the depth, and what happens under stress.
Your model decides what you need
- A-book / STP: you pass flow to the market, so your LP relationship is your product. Spreads, markup and execution quality are felt directly by clients.
- B-book: you internalise flow, but you still need coverage to hedge exposure when it exceeds your risk limits — so you need an LP, just used differently.
- Hybrid: both, with routing logic deciding what gets hedged.
Settle your A-book vs B-book vs hybrid decision first; it tells you what kind of liquidity you’re really shopping for.
Questions to ask an LP before you sign
- How is pricing built? Raw spread plus a transparent markup, or a blended price you can’t decompose?
- What depth, and on which instruments? Headline EUR/USD pricing says nothing about your actual symbol set.
- What happens under stress? Slippage, rejections and last-look behaviour during news and gaps are where execution reputations are made or lost.
- What are the commercials? Minimum volumes, ramp periods, settlement terms, and any lock-in.
Payments and PSPs — the real bottleneck
Payment processing is the launch step founders most underestimate. You need PSPs and banking that genuinely serve your clients’ regions and methods, and approval timelines here are often the true constraint on go-live — not the technology.
Ask about: regional and method coverage, settlement timelines, rolling reserves and chargeback handling, per-transaction costs, and what happens if a processor drops your vertical (have a backup). A “cheap” processor that can’t onboard your target market is no saving at all.
Where this fits in your launch
This is decision four — it follows your model, license and technology, because each of those changes what liquidity and payments you can use. Line it up with terms you understand before you sign, not after.
Working out which providers fit your flow and your regions — without a vendor steering you toward whatever they resell — is exactly what Broker Origin does, independently.
Part of our independent guide to launching a brokerage. See also: How to start a forex or multi-asset brokerage · A-book vs B-book vs hybrid · What it really costs to start a brokerage.
Broker Origin provides commercial and strategic advisory. It is not a law firm and does not provide legal or regulated financial advice. Commercial terms vary by provider and change over time — get current terms in writing before relying on them.