
FastAPI
Flask
ExpressJS
Django
Yii Framework
Bottle
Ruby on Rails
Laravel
0xProcessing
BitPay
CoinGate
Coinbase
CoinPayments
NOWPayments
Cryptomus
CoinsPaid
Payment solutions include:
โข Payment forms with or without fixed amount
โข Static Wallets
โข Recurring payments
โข Web3 payments
โข Invoicing
โข Mass payouts
Transparent economics. Only the processing fee applies. There are no setup fee, monthly or hidden charges.
Integration methods:
โข API for full control
โข No-code payment links
Proven reliability. Recognized as โBest Crypto Processing of the Yearโ at Blockchain Life (2024, 2025) and SiGMA (Eurasia 2025, Central Europe 2025, Eurasia 2026), as well as โCrypto Payment Solution of the Yearโ at SiGMA Europe 2023. Ranked TOP 1 Bitcoin payment solution by Bitcoin.com.
Integrate once and start accepting crypto in minutes. Deliver a frictionless payment experience for your users while generating chargeback-free revenue and staying focused on growth.
FastAPI
0xProcessingWhen our backend team needs to build services for data parsing, aggregators, or high-load APIs, FastAPI is our absolute go-to choice. It completely lives up to its name-development speed is outstanding.
The combination of Pydantic for data validation and built-in async support keeps our shared codebase clean, strictly typed, and reliable. But the biggest highlight for our cross-functional team is the automatic generation of interactive OpenAPI (Swagger) documentation. Our frontend and mobile developers no longer have to wait for backend engineers to manually update API docs; everything stays perfectly in sync automatically. It has drastically improved our team's communication and delivery speed.
We were looking for a way to accept crypto payments with no changes to the rest of our workflow. After reviewing payment gateways, 0xProcessing was deemed more feasible than others. The setup was simple and once it ran, never required day-to-day attention. The ability to create payment requests is hassle-free and clear for daily transaction uses; hence, there is no confusion.
Following numerous payment drops and unexpected compliance holds with BitPay, we switched our primary checkout flow to 0xProcessing. Our global clients rely on cross-border technology, services, and products. We needed a payment gateway that is used to handling payment processing and wonโt raise flags about something this usual. Actually the onboarding as merchant was quite easy. The API integration into Vettrackโs custom billing stack has taken the dev team the best part of about two afternoons and the docs donโt leave much to the imagination.
To run its day-to-day operations, Stable is used. We rely heavily on this payment links feature, which is completely automated. The VRCS feature converts incoming volatile assets to stablecoins automatically. The latter aspect alone has given adequate protection to our margins during the dips which get tied up in the afternoon. The 18 supported networks includes nearly everything our clients use. The processing time in so minimal, and we have still yet to have our first chargeback or false fraud flag since we started using it. The interface is effective but has glitches.
Since we don't usually process such payments, we werenโt looking for one that was equipped with many sophisticated tools. The first things were reliability and setup that shouldnโt be hard to get used to.
After looking at a number of options Fireblocks included we found 0xProcessing easier to work with. The on-boarding process was simple and the documentation covered the majority of our needs. It has been doing its job with no additional work since implementation.
Based on our record, FastAPI seems to be more popular. It has been mentiond 312 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I used FastAPI, a Python framework built specifically for creating APIs quickly, with automatic validation and interactive documentation baked in. - Source: dev.to / 3 days ago
The Sovereign SDK is a Python-native framework designed to minimize prose overhead while generating ironclad, cryptographic execution receipts for AI agents, complete with drop-in FastAPI/Starlette ASGI middleware. - Source: dev.to / 3 months ago
We had a feature in production where a single user request could run for five-plus minutes โ fetch documents, chunk them, hit an LLM per chunk, synthesize a final answer. We did the obvious thing first: a FastAPI handler that ran the pipeline and streamed progress back to the browser over Server-Sent Events. - Source: dev.to / 4 months ago
FastAPI is a Python framework for building APIs quickly, efficiently, and with very little code. - Source: dev.to / 4 months ago
Backend: Python-based FastAPI for its asynchronous I/O capabilities and rapid JSON serialization. - Source: dev.to / 4 months ago
Flask - a microframework for Python based on Werkzeug, Jinja 2 and good intentions.
BitPay - Bitcoin payment gateway. Enterprise-grade solutions, from the pioneer of bitcoin payments.
ExpressJS - Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple
CoinGate - CoinGate is a payment gateway for Bitcoin, XRP, Litecoin, Ethereum and 50 other cryptocurrencies.
Django - The Web framework for perfectionists with deadlines
Coinbase - Bitcoin, safe and easy.