# 0x

*Institutional DEX and swap aggregation.*

0x is DEX-aggregation and swap-routing infrastructure that gives Tempo apps executable swap quotes, routing across Tempo's native stablecoin DEX and third-party venues through the 0x Swap API. It has been live on Tempo Mainnet (chain ID 4217) since the 2026-03-18 public mainnet launch, and supports gasless swaps through Tempo's protocol-level fee sponsorship.

## At a glance

- **Type:** infrastructure
- **Category:** developer-tools
- **Status:** active
- **Website:** https://0x.org

## Key facts

- **Website:** https://0x.org _(confidence 100%)_
- **Category:** DEX aggregation / swap-routing liquidity API infrastructure _(confidence 97%)_
- **Role on Tempo:** Provides swap infrastructure for Tempo, aggregating liquidity across Tempo's native stablecoin DEX and third-party venues (as they deploy) through the 0x Swap API. _(confidence 95%)_
- **Tempo support:** Live on Tempo Mainnet at chain ID 4217, supported since Tempo's 2026-03-18 public mainnet launch. _(confidence 96%)_
- **Gas model:** Tempo gas is paid in USD-denominated TIP-20 stablecoins; there is no native Tempo token. _(confidence 60%)_

## Related entities

- [Tempo](https://tempo.dataos.so/entity/tempo) — integrates

## Sources

1. [https://0x.org/](https://0x.org/)
2. [https://0x.org/post/0x-powers-token-swaps-for-tempo-the-payments-first-blockchain](https://0x.org/post/0x-powers-token-swaps-for-tempo-the-payments-first-blockchain)
3. [https://tempo.xyz/docs/economics](https://tempo.xyz/docs/economics)

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Last reviewed: 7 Jun 2025  
Canonical: https://tempo.dataos.so/entity/0x  
Source: tempowiki (https://tempo.dataos.so) — an independent, sourced reference for the Tempo ecosystem. Not affiliated with Tempo, Stripe, or Paradigm.