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Swap services ranked on true spread, KYC policy and refund conduct. Every score below is the weighted mean of the rubric marks, not an editor's gut feel.
FixedFloatBest for: Lightning and small BTC swaps7.4/10
SideShift.aiBest for: No-account swaps with a straightforward API7.4/10
TrocadorBest for: Privacy-conscious swap routing7.4/10
SwapSpaceBest for: Comparing rates across providers before committing7.3/10
ExolixBest for: Fixed-rate swaps that are actually honoured7.2/10
SwapzoneBest for: Rate comparison with provider ratings attached7.1/10| # | Service | Score | Best for | Fees | Since |
|---|---|---|---|---|---|
| 1 | FixedFloatSolid | 7.4/10 | Lightning and small BTC swaps | ||
| 2 | SideShift.aiSolid | 7.4/10 | No-account swaps with a straightforward API | ||
| 3 | TrocadorSolid | 7.4/10 | Privacy-conscious swap routing | ||
| 4 | SwapSpaceSolid | 7.3/10 | Comparing rates across providers before committing | ||
| 5 | ExolixSolid | 7.2/10 | Fixed-rate swaps that are actually honoured | ||
| 6 | SwapzoneSolid | 7.1/10 | Rate comparison with provider ratings attached | ||
| 7 |  ChangeNOWSolid | 7.0/10 | Breadth of supported assets | ||
| 8 |  StealthEXMixed | 6.7/10 | Wide token support without registration | ||
| 9 |  SimpleSwapMixed | 6.6/10 | Simple no-account swaps across many chains | ||
| 10 |  ChangeHeroMixed | 6.4/10 | Straightforward swaps with fiat options | ||
| 11 |  LetsExchangeMixed | 6.4/10 | Very long tail token coverage | ||
| 12 |  AlfacashMixed | 6.3/10 | Long-running service with European fiat routes | ||
| 13 |  GodexMixed | 6.3/10 | Fixed-rate swaps without an account | ||
| 14 |  ChangellyMixed | 6.2/10 | Long-established service with fiat rails | ||
| 15 |  InstaSwapMixed | 6.0/10 | Occasional swaps with no account |
The tightest published spreads in the category and native Lightning support, from a service that was itself hacked in 2024.
Competitive pricing, a clean API and no account requirement — with the usual caveat about what happens if a screen fires.
The only aggregator here that labels each provider's KYC risk before you send — which is exactly the disclosure this category lacks.
An aggregator that shows you every provider's quote side by side — then hands your funds to whichever one you picked.
A smaller service with an unusually good record on honouring fixed quotes and returning declined deposits.
Another comparison layer, distinguished by publishing user ratings for the providers it lists.
Supports almost every asset you will ever need to swap, at a margin it would rather you did not calculate.
Reasonable rates and a long asset list, held back by thin support when a transaction goes sideways.
Does what the name says at a middling price, with the category's standard risk of a swap stalling in review.
A competent middle-of-the-road option that neither excels nor embarrasses itself on any single measure.
Thousands of supported assets at a spread that widens quietly as the token gets more obscure.
One of the oldest operators in the category, with real fiat rails and pricing that reflects its age rather than the market.
Fixed rates as the default and a light-touch policy, paid for with one of the wider spreads in the category.
The oldest name in the category, with the largest volume of unresolved fund-hold complaints to match.
A small, functional service with no obvious advantage over the better-priced options above it.
Score = Σ (mark × weight), rounded to 0.1. A criterion with nothing published scores 0.
Instant exchangers are the least examined corner of crypto: no order book, no published fee schedule, just a quoted rate. The margin is hidden inside that rate, so the first thing our rubric measures is the spread against market mid at the moment of quoting — the real price of convenience.
The second, weighted just as heavily, is conduct when a swap is flagged. Most of these services are non-custodial only in marketing: your coins sit with them between legs. If an address trips an AML screen, the question is whether you get your funds back, how long it takes, and what documents are demanded from a service that never asked for any at the start.
A floating rate can move against you between deposit and settlement; a fixed rate costs more up front but is a commitment. We check whether fixed quotes are actually honoured when the market gaps, because a fixed rate that is silently renegotiated is worse than an honest float.
Use these services for what they are good at — moving between assets that share no common venue, quickly, without an account. Do not use them as custody, do not send more than you would accept losing to a compliance hold, and screen the receiving address yourself before you send.
