0x

Overview

0x is a free public API in the Cryptocurrency category. API for querying token and pool stats across various liquidity pools.

Cryptocurrency APIs feed wallets, trading dashboards, portfolio trackers, and price-alert bots with market data.

You can use this API in prototypes, side projects, and production applications — just keep the provider’s usage policy in mind.

Authentication

0x requires no authentication — you can start calling it directly, which makes it great for quick experiments and client-side demos.

HTTPS & CORS

• HTTPS: supported — traffic to 0x is encrypted, so it is safe to use from production apps.
• CORS: enabled — 0x can be called directly from the browser without a proxy, which simplifies client-side integrations.

Getting Started

1. Read the official documentation: https://0x.org/api
2. Make a test request with curl or your favourite HTTP client.

Rate Limits & Notes

• Rate limits, quotas, and free-tier terms are defined by the provider — always check the official documentation for 0x before scaling up.
• The upstream listing is community-maintained; fields like auth, HTTPS and CORS reflect the state at listing time and may change.

FAQ

Does 0x require an API key?

No — 0x is listed as a no-auth API, so you can call it directly.