Dev tools · alternatives · 2026

24 alternatives to 0x API

Access all decentralized exchange liquidity with one API

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. 0x API launched in 2020; newer entries below may have overtaken it.

1. 1
   0x Portal▲97

   A dApp for user on-boarding, education and DEX discovery.

   2018 · 0x.org · its alternatives →

2. 2
   0x▲81

   Powerful APIs to build financial apps on crypto rails

   2023 · 0x.org · its alternatives →

3. 3
   n.exchange▲114

   The ZeroBalance cryptocurrency exchange

   2017 · n.exchange · its alternatives →

4. 4
   0x Instant▲155

   Add simple buying of crypto assets to your app or website

   2018 · 0x.org · its alternatives →

5. 5
   Kyber Swap▲71

   Instant and secure token swaps

   2018 · kyber.network · its alternatives →

6. 6
   Crypto and FinTech API by Front▲103

   Real-time data aggregation and asset transfer for fintech

   2022 · meshpay.com · its alternatives →

7. 7
   Balance Exchange▲108

   Exchange Ether and ERC-20 tokens within Balance Manager.

   2018 · balance.io · its alternatives →

8. 8
   Alpaca Crypto API▲375

   Easy to use crypto trading API

   2021 · alpaca.markets · its alternatives →

9. 9
   Liquidity.so▲73

   Skyscanner for cryptocurrency trading.

   2021 · liquidity.so · its alternatives →

10. 10
    Finage▲104

    Real-time API platform for stock, forex, and crypto data

    2025 · finage.co.uk · its alternatives →

11. 110F
    0xFast – Faster Web3 APIs▲63

    Excited to showcase 0xFast to HN! Built using a new indexing system designed for Web3 data, 0xFast outperforms the most popular web3 API platforms, while also being 3x cheaper.

    2022 · 0xfast.com · its alternatives →

12. 12
    Carbon▲86

    Buy Cryptocurrency Instantly using Credit/Debit

    2019 · its alternatives →

13. 13
    x402▲119

    Hi HN – excited to announce x402, initially developed by Coinbase (YC 12) x402 lets any HTTP API charge per request without issuing API keys or storing credit cards. Buyers (humans or AI agents) keep funds in their own wallet and dynamically discover compatible endpoints, call them as usual, and automatically pay a microtransaction in USDC or other tokens to settle. 90 second demo: https://www.youtube.com/watch?v=PV-L2AfLhJg Problem: Every time we want to use a new API we have to: find the service online create a developer account, copy a secret key into env vars, pre-fund or…

    2025 · x402.org · its alternatives →

14. 14
    0xcert▲123

    Your ID, degree or house. 0xcert-ified on the blockchain

    2018 · its alternatives →

15. 15
    Liquidity Pool API for Crypto exchange▲6

    Access Multi-Pool Liquidity in One API

    2025 · kryptobees.com · its alternatives →

16. 16
    DX.Exchange▲75

    Buy digital stocks of publicly listed companies w/ crypto

    2019 · dx.exchange · its alternatives →

17. 17
    Historical order book reconstruction API for crypto markets▲78

    Historical tick-level order book updates, trades, quotes, open interest, funding, liquidations, options chains and more. API access and downloadable CSV files. Real-time consolidated market data streaming API via client libraries that connect directly to exchanges

    2019 · tardis.dev · its alternatives →

18. 18
    CoinConvert▲75

    Instantly convert cryptocurrency and get price information

    2021 · github.com · its alternatives →

19. 19
    Crypto Exchange API Integration Services▲5

    API Solutions Crafted for Efficient Crypto Markets

    2025 · kryptobees.com · its alternatives →

20. 20
    HubX▲90

    The leading platform for comparing cryptocurrency coins

    2017 · hubx.io · its alternatives →

21. 21
    dYdX▲92

    Start trading on #DeFi with low fees and up to 25× leverage

    2021 · dydx.xyz · its alternatives →

22. 22
    Coindexfinance▲72

    Crypto wallet with DEX/DeFi aggregator for the best prices

    2022 · its alternatives →

23. 23
    Cargo▲72

    The easiest way to tokenize assets.

    2019 · its alternatives →

24. 24
    CryptoCurrencies Market, Poloniex. Supports Streaming, and REST API▲30

    (Unofficial) Poloniex.com API written in Python 3, supports Streaming, and API calls. - a904guy/poloniex-python3

    2016 · github.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →