
BitPay
CoinGate
CoinPayments
Coinbase
Whitepay
BTCPay Server
Cryptomus
NOWPayments is a crypto payment gateway that supports more than 300 cryptocurrencies, including fiat, and offers simple tools to accept crypto payments, like a crypto payments API, plugins, invoices.

Vendr
Spendflo
Zylo
Sastrify
Cledara
Productiv
BetterCloud
StackSwap maps GTM waste and keep/replace/remove calls. Scan in ~60s, no login. Preview free; unlock the full report when you are ready.

Which is more popular?
Based on our record, NOWPayments seems to be more popular. It has been mentioned 67 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | nowpayments.io | stackswap.ai |
| Pricing | ||
| Platforms | — | |
| Company | 2019 | Startup from the United States · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


NOWPayments is a crypto payment gateway that lets all types of businesses accept payments in 300+ cryptocurrencies, with auto coin conversion and fiat conversion available. Pricing: 0,5% transaction fee + 0,5% exchange fee if exchange is needed. The platform also supports fiat conversion:...
What StackSwap does StackSwap is a free GTM stack audit that surfaces tool overlap, redundancy, and waste in B2B sales tech stacks. Built for founders, RevOps leads, and sales operators who need to cut SaaS spend without losing capability. How it works Drop in your current GTM stack (CRM, sales...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
NOWPayments is highly recommended for online businesses, e-commerce platforms, and any merchants looking to expand their payment options to include cryptocurrencies. It is especially beneficial for those who value security, seek to reach a global customer base, and want to offer flexible payment choices.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
What is NOWPayments
More videos
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing NOWPayments and StackSwap.
NOWPayments's answer
300+ currencies, cross-chain payments, fiat on-ramp and off-ramp. Multiple crypto payment tools, custom solutions for various industries.
StackSwap's answer:
Most SaaS spend tools — Vendr, Zylo, Productiv, BetterCloud — require integrations with billing, SSO, or HRIS before they tell you anything. They're heavyweight onboarded platforms. StackSwap is the opposite: drop in your tool list, get a structured audit in ~60 seconds, no integration. Overlap surfaced by category, with keep / replace / remove calls. It's the diagnostic step before the platform commitment, not a replacement for it.
NOWPayments's answer
StackSwap's answer:
Two reasons:
Speed. SaaS Management Platforms take 2-6 weeks to onboard and another 30-60 days to surface useful insights. StackSwap takes 60 seconds. Different product class.
Cost. SMP contracts start around $20k/yr. The free Stackscan covers most of what a founder or RevOps lead needs to start the consolidation conversation.
Honest take: if you're already running an SMP and getting value, keep it. StackSwap is the faster diagnostic, not the replacement. If you're shopping the SMP category, run StackSwap first to see what you actually need before sitting through five demos.
NOWPayments's answer
Businesses and individuals that would like to accept crypto
StackSwap's answer:
B2B SaaS founders, RevOps leads, and Heads of Sales / Marketing / Revenue at companies in the 10-200 employee range — typically post-seed, pre-Series-B — where the GTM stack has grown organically and nobody owns the audit. Common trigger: a board meeting where someone asks "are we paying for tools we don't use?"
Also: buyers evaluating the SaaS spend management category who want a directional read before sitting through enterprise sales cycles.
NOWPayments's answer
For example, Travala crypto travel platform
StackSwap's answer:
I spent 10 years in B2B SaaS sales — BDR through Head of Revenue — selling into hundreds of mid-market and enterprise teams. I watched companies pay six figures a year for two competing data enrichment tools because nobody owned the audit and nobody wanted to fight the renewal motion.
StackSwap is the tool I would've hated to face as a vendor on the renewal call: free, fast, takes the buyer's side, names overlap by name. The category I sold in for a decade gets auditable.
StackSwap's answer:
Next.js 14 (App Router) on Vercel, TypeScript, Supabase (Postgres + Auth + Storage), Stripe for billing, Anthropic's Claude API for LLM-assisted analysis, Sentry for observability.
Built deliberately on a thin stack — the irony of running a tool-overlap audit on 30 SaaS subscriptions wasn't lost on me.
Share your experience with using NOWPayments and StackSwap. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


In the ever-evolving landscape of digital transactions, choosing the right payment gateway is paramount for businesses aiming to leverage the power of cryptocurrencies. As the market matures, demands for reliability,...
NowPayments is a well-known crypto payment gateway established by ChangeNow, one of the top crypto swapping sites, in 2019. The platform offers low transaction fees and also offers non-custodial services for users who...
We have no reviews of StackSwap yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


I looked at this for my business as well, I ended up using crypto.com which to date nobody has used and https://nowpayments.io/ which many people have used. Source: almost 3 years ago
Https://nowpayments.io/ Have a store and want to accept crypto such as HOGE? NowPayments has you covered. Source: about 3 years ago
It's looking like PowerCity's PixelPark is trying to beat Mintra to market as the first major NFT Marketplace soon on PulseChain as they have partnered with NowPayments.io to handle their payment processing:. Source: over 3 years ago
Tracking StackSwap since May 2026.
When comparing NOWPayments and StackSwap, you can also consider the following products.

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Payment gateway providing buy now buttons, shopping carts, and more to accept Bitcoin, Litecoin, and other cryptocurrencies/altcoins on your website/online store.
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