Alternatives

Products that do what x402stock does

x402 API for US stock market data

1
Alpaca Data API▲323
Free real-time stock market data API
2020
2
Alpaca Data API 2.0▲320
Unlimited access to real-time US stock market data
2021
3
Finage▲104
Real-time API platform for stock, forex, and crypto data
2025
4
x402▲119
An open protocol for internet-native payments from Coinbase
2025
5XA
X402 – an open standard for internet native payments▲16
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
6
Script Master Labs x402 Data API▲3
Pay-per-call federal data API — FDA, SEC, Treasury via x402
Jun 2026
7
MyLens Stock Market▲225
AI for Stock & Market Analysis
2025
8
x402stats▲3
Independent x402 stats: organic volume, wash-trades removed
Aug 2026 · x402stats.io
9IJ
Investorsexchange.jl – parse trade-level stock market data in Julia▲136
Backstory: I wanted to play with intraday stock data but couldn't find a free dataset anywhere. IEXCloud [1] offers API access to 1-minute granularity intraday historical price data, but I was worried that it could get expensive or unwieldy to build up a substantial dataset via API calls. Plus, IEX gives out their raw data for free. I probably should have just used the IEXTools python library [2] to parse IEX's raw data dumps, but I was working on a Julia project, so it felt more thematically appropriate to build a new tool from scratch. I haven't been actively using InvestorsExchange.jl a…
2022 · github.com
10
Polygon Stock Options API▲75
Real-time and historical data for every options chain
2022
11
x402 wallet API: 9 Base endpoints, USDC▲1
9 Base endpoints for AI agents, paid in USDC per call
Aug 2026 · api.kachangsia.com
12
MAXIA Oracle▲64
Multi-source price feed for AI agents
Apr 2026 · oracle.maxiaworld.app
13
Alpaca Trading API▲147
Simple REST API for commission-free stock trading
2018
14
Mercury402
Monetize any API with pay-per-call payments
Apr 2026 · mercury402.com
15IB
I built an AI tool to analyze SEC filings the minute they're released▲62
Hello everyone, I built this tool on Next/Node to automatically analyze new filings from the SEC and probe the Edgar API for new filings 24/7. We use AI to analyze the filings the second they are released. Free accounts to look at real filings (automatically updated) are available to any who sign up. If you have any questions feel free to ask.
2024 · docdelta.ca
16
_done▲4
APIs & Tools for AI agents. No accounts. Per usage with x402
Jun 2026 · underscoredone.com
17
Artha
Pay-per-call financial data API with x402 on Base
Mar 2026 · artha.getakasha.finance
18
PayAPI Market▲3
The API marketplace where the badge means I paid for it
26d ago · payapi.market
19
API.market▲51
API market by developers, for developers.
2025
20
Real-time Market API▲2
Fast, reliable API for stock, crypto, and forex data
Mar 2026 · realmarketapi.com
21XD
X402vps – Docker containers for AI agents, paid per hour with USDC▲14
Jul 2026 · x402vps.com
22
Financial Data API▲23
A free finance API with 25+ sources
Jun 2026 · bluedoor.sh
23
J-sey Data API▲5
Pay-per-call data API for AI agents, no subscriptions
Jul 2026 · jsey.dpdns.org
24
MarketCrunch AI▲26
Your Personal Quant Analyst for Trading.
Jan 2026

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