


Build an ecosystem optimized for your goals while opening up new revenue streams.
Testnet Faucets, Core API and 0x each address unique challenges in the web3 ecosystem, offering complementary strengths for builders. A public faucet for distributing Core Testnet tokens (tCORE2) to developers for testing on the Core blockchain testnet. A Document Object Model for Web APIs designed to simplify API consumption and integration. 0x provides battle-tested APIs to embed fast, gasless, and deeply liquid crypto trading into decentralized applications. Together, these tools serve different but overlapping user needs, making them valuable components in a modern web3 development stack.
| At a Glance | |||
| Composability | |||
| Cross-Chain | |||
| Customizability | |||
| Developer Support | |||
| Ease of Integration | |||
| Performance | |||
| Key Features | |||
| Core Capabilities | Daily token request limit, Supports latest Core Testnet (1114), Clear developer documentation | Dynamic API Discovery, Open Source Repositories | Swap API, Gasless API, Trade Analytics API, Multi-chain support, Developer dashboard | 
| Chain Support | — | +40 | +9 | 
| Best For | Infrastructure Developers, DeFi Developers | Infrastructure Developers, DeFi Developers | DeFi Developers, Infrastructure Developers | 
| Pricing | |||
| Free Tier | Free | — | Starter | 
| Paid Features | — | — | 1 paid tiers | 
| Custom Plans | — | — | — | 
Explore web3 competitors and apps like Testnet Faucets.

SubQuery is a decentralized data indexing and RPC infrastructure platform that enables fast, flexible, and scalable access to blockchain data for Web3 applications.
Magic provides enterprise-grade, non-custodial wallet infrastructure and passwordless authentication APIs for seamless Web3 onboarding and wallet management.


Synapse is an interchain messaging protocol and cross-chain bridge enabling decentralized applications to operate across multiple blockchains.

Gelato provides infrastructure and SDKs to build smart wallets, gasless transactions, and custom rollups with ERC-4337 & 7702 support across 100+ chains.

An Ethereum development environment for compiling, testing, debugging, and deploying smart contracts with advanced Solidity and TypeScript support.

QuickAlerts is a real-time blockchain event monitoring and alerting tool that delivers customizable notifications via webhooks.

Connext is a secure, fast modular interoperability protocol enabling cross-chain fund bridging and asynchronous Solidity development.