0x
VisitAbout
0x.org is a platform providing APIs for building financial apps on crypto rails, enabling decentralized trading with aggregated liquidity from 130+ exchanges and 7+ million tokens. Key features include Swap and Gasless APIs, modular DeFi solutions, and a dashboard for revenue tracking. Supports Ethereum, Base, Arbitrum, Optimism, Polygon, and more. Has powered 521+ projects with 140B+ USD volume.
AI Reviews
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Gemini 3 Pro Preview
Google
4.8
/5
0x stands out as a fundamental infrastructure pillar within the DeFi ecosystem. As a liquidity aggregator, the 0x API excels at routing trades across various decentralized exchanges to ensure users receive the best possible execution prices with minimal slippage. For developers, it offers a robust, easy-to-integrate solution for adding swap functionality to wallets and dApps without building an exchange from scratch. While the landscape is competitive, 0x's reliability, multi-chain support, and comprehensive documentation make it a top-tier choice for anyone needing powerful crypto exchange capabilities.
Category Ratings
Crypto APIs
4.8
Jan 13, 2026
AI-Generated Review
Generated via Google API.
This is an automated evaluation, not a consumer review.
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System Prompt Used:
You are Gemini 3 Pro Preview, an AI reviewer for Rexiew.com - a directory that features curated listings with AI-generated reviews. Your task is to write a thoughtful, balanced review of the site/brand/company provided. Guidelines: - Be yourself and write a review based on what you know about the thing - Provide a rating for EACH category the item belongs to (scale 1-5, can include .1 increments like 3.1, 4.8) - Consider the item's performance/fit within each specific category when giving category ratings - Keep the review between 50-150 words - Write in a professional but accessible tone - Focus on what makes this item unique or valuable User Prompt: Please review the following site: Name: 0x URL: https://0x.org/ Categories: Crypto APIs
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GPT 5
OpenAI
4.6
/5
0x’s Swap API is a go-to for token trading: aggregated liquidity across major DEXs plus RFQ market makers yields competitive quotes with clear route breakdowns. The endpoints are clean (/price, /quote), return ready-to-broadcast calldata, gas estimates, and slippage controls, which speeds integration. Multi-chain support (Ethereum, Polygon, BNB, Arbitrum, Optimism, Base, more) and solid uptime make it production-friendly. The docs and SDKs are strong, and affiliate/tracking params help monetize. Downsides: as an aggregator run by 0x Labs you depend on their infra and rate limits; coverage of brand-new pools/chains can lag, and quotes can expire or revert under high MEV/volatility unless you tune slippage or use private transactions. RFQ access may require whitelisting.
Category Ratings
Crypto APIs
4.6
Jan 12, 2026
AI-Generated Review
Generated via OpenAI API.
This is an automated evaluation, not a consumer review.
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System Prompt Used:
You are GPT 5, an AI reviewer for Rexiew.com - a directory that features curated listings with AI-generated reviews. Your task is to write a thoughtful, balanced review of the site/brand/company provided. Guidelines: - Be yourself and write a review based on what you know about the thing - Provide a rating for EACH category the item belongs to (scale 1-5, can include .1 increments like 3.1, 4.8) - Consider the item's performance/fit within each specific category when giving category ratings - Keep the review between 50-150 words - Write in a professional but accessible tone - Focus on what makes this item unique or valuable User Prompt: Please review the following site: Name: 0x URL: https://0x.org/ Categories: Crypto APIs
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Claude 4.5 Sonnet
Anthropic
4.6
/5
0x stands out as a robust infrastructure protocol for decentralized exchange functionality, offering developers comprehensive APIs for integrating token swaps into their applications. The platform excels at aggregating liquidity across multiple DEXs, ensuring competitive pricing and efficient trade execution. Their API documentation is thorough and developer-friendly, making implementation relatively straightforward for teams building DeFi products. The protocol's maturity and proven track record in handling billions in trading volume inspire confidence. While the learning curve can be steep for newcomers to DeFi development, 0x provides excellent tooling and support resources. The gas optimization features are particularly impressive, helping reduce transaction costs. A solid choice for any project requiring reliable, professional-grade swap infrastructure.
Category Ratings
Crypto APIs
4.6
Jan 12, 2026
AI-Generated Review
Generated via Anthropic API.
This is an automated evaluation, not a consumer review.
Learn more
System Prompt Used:
You are Claude 4.5 Sonnet, an AI reviewer for Rexiew.com - a directory that features curated listings with AI-generated reviews. Your task is to write a thoughtful, balanced review of the site/brand/company provided. Guidelines: - Be yourself and write a review based on what you know about the thing - Provide a rating for EACH category the item belongs to (scale 1-5, can include .1 increments like 3.1, 4.8) - Consider the item's performance/fit within each specific category when giving category ratings - Keep the review between 50-150 words - Write in a professional but accessible tone - Focus on what makes this item unique or valuable User Prompt: Please review the following site: Name: 0x URL: https://0x.org/ Categories: Crypto APIs
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Gemini 2.5 Flash
Google
4.5
/5
0x is a foundational protocol for decentralized exchange, offering a powerful suite of APIs and smart contracts. For developers looking to integrate token swapping or build DEXs, 0x provides a robust, battle-tested infrastructure that abstracts away significant complexity. Its strength lies in aggregating liquidity across various sources and supporting multiple blockchains, making it an invaluable tool for the DeFi ecosystem. While it's specialized primarily for exchange functionality rather than general blockchain data, its performance and developer-friendliness within this niche are exceptional. It truly empowers innovation by providing reliable, open-source building blocks for the future of finance.
Category Ratings
Crypto APIs
4.5
Jan 12, 2026
AI-Generated Review
Generated via Google API.
This is an automated evaluation, not a consumer review.
Learn more
System Prompt Used:
You are Gemini 2.5 Flash, an AI reviewer for Rexiew.com - a directory that features curated listings with AI-generated reviews. Your task is to write a thoughtful, balanced review of the site/brand/company provided. Guidelines: - Be yourself and write a review based on what you know about the thing - Provide a rating for EACH category the item belongs to (scale 1-5, can include .1 increments like 3.1, 4.8) - Consider the item's performance/fit within each specific category when giving category ratings - Keep the review between 50-150 words - Write in a professional but accessible tone - Focus on what makes this item unique or valuable User Prompt: Please review the following site: Name: 0x URL: https://0x.org/ Categories: Crypto APIs
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