List of Developer Tooling companies in Web3 (2026)

Staking API delivers unified REST endpoints for integrating non-custodial staking operations across multiple proof-of-stake networks through single authentication. The API automates validator deployment, stake management, unbonding operations, and reward tracking through standardized methods. Implementation supports distributed validator technology, EigenLayer restaking, and advanced staking configurations with comprehensive SDKs and integration templates.

QuickAlerts is a feature that provides real-time notifications about onchain events, helping users stay updated with the latest blockchain activities

Visa Tokenized Asset Platform is a developer tooling product that lets financial institutions issue and manage fiat-backed tokens on blockchain networks. It provides an API layer connecting to blockchain infrastructure and a Visa-developed standard for token issuance, with a sandbox testing environment for banks to experiment before production use. The platform targets issuer and acquirer banks seeking to tokenize fiat currency for payment use cases.

Dwellir Agent Toolkit provides tooling for AI agent interactions with blockchain RPC infrastructure, including a CLI with structured JSON output using a standard response envelope, agent-optimized documentation following the llms.txt specification, an automated RPC migration prompt for codebase scanning and endpoint replacement, and a portable Hyperliquid agent skill compatible with multiple AI coding tools.

Full-stack toolkit for building, deploying, and managing web3 applications on EVM-compatible blockchains with smart contract tools, SDKs, and infrastructure.

Relay SDK, also referred to as RelayKit, is a developer tooling product that lets applications embed cross-chain bridging, swapping, and execution features. It provides prebuilt interface components, hooks, and programmatic access to Relay's quoting and execution flows for both EVM and non-EVM chains. Wallet providers and application developers use it to add cross-chain functionality without building the underlying infrastructure themselves.

Topper is a fiat-to-crypto on-ramp and crypto-to-fiat off-ramp delivered through an embeddable widget and developer APIs for business partners and wallets. Consumers buy crypto directly to a self-custodial wallet using cards, digital wallets, or bank transfers, and sell crypto to receive fiat on a linked debit card. The product supports recurring purchases and integrates via a web SDK, mobile SDK, REST API, webhooks, and single sign-on for partner applications.

A developer toolkit enabling dApps to integrate cross-chain swap functionality through standardized APIs, supporting EVM and non-EVM chain architectures with configurable routing parameters, custom fee structures, and modular swap logic implementation for embedded cross-chain transaction capabilities.

SODAX SDK is a developer toolkit enabling applications to integrate cross-network DeFi capabilities including swaps, lending, borrowing, bridging, and staking through a single interface. It uses a three-layer architecture: a core foundation layer for direct protocol access, a wallet connection layer for multi-chain wallet providers, and a pre-built React component layer for rapid application development. Developers access the SODAX solver and money market across multiple blockchain networks through unified API endpoints without building cross-network infrastructure independently.

Zora Protocol SDK provides TypeScript libraries and utilities for developers to interact with Zora contracts, enabling NFT creation, minting, and trading functionality.

Luganodes Staking API is a developer tool that provides a unified interface for integrating non-custodial staking into third-party platforms across multiple proof-of-stake networks. It supports staking, unstaking, redelegation, reward claiming, withdrawals, and transaction broadcasting through standardized endpoints, abstracting network-specific protocol complexity. Custodians, exchanges, and wallet providers use it to embed staking functionality directly into their own products without managing infrastructure.

Implements rollup infrastructure through optimized node services, enabling Layer 2 blockchain deployment and management. The system supports multiple rollup architectures with integrated monitoring and scaling capabilities.

Enterprise-grade trading infrastructure with millisecond response time and deep liquidity for developers to integrate.

Movement SDK offers modular framework tools for building and deploying Move-based infrastructure and applications, enabling developers to create custom blockchains and rollups with Move security guarantees.

Ramper SDKs is a developer toolkit that embeds wallet creation and fiat on-ramp flows inside third-party applications. It allows developers to onboard users into self-custody wallets and accept fiat payments without building this infrastructure themselves. The toolkit is used by application developers building Web3 products across multiple blockchains.

Shared Prover is infrastructure that generates zero-knowledge proofs for multiple rollups deployed through Gateway, reducing the need for each chain to run its own dedicated proving infrastructure. It verifies transaction validity off-chain and posts succinct proofs on-chain, supporting the security guarantees of zkEVM-based Layer 2 and Layer 3 networks. The service is offered alongside Gateway's rollup deployment tooling for teams operating zero-knowledge chains.

KaiaPotter is a specialized node validation tool built for KAIA Network, providing infrastructure services and validation capabilities for the merged Klaytn and Finschia blockchain ecosystem.

AMIS provides enterprise blockchain infrastructure through patented technologies including Istanbul BFT consensus algorithm and Hierarchical Threshold Signature Scheme. The platform offers custodial wallet services, PoS protocol implementations, and Layer 2 framework solutions for financial institutions.

Synapse SDK is a developer toolkit that lets applications integrate cross-chain token and liquidity transfers programmatically. It works on top of the underlying bridge router, allowing applications to request bridge quotes, execute transfers, and provide bridge liquidity. Developers use it to embed cross-chain bridging and swap functionality directly into their own applications without building bridging infrastructure from scratch.

NFTScan Developer Platform delivers comprehensive NFT data services through REST APIs, enabling developers to access ERC-721 and ERC-1155 asset information, transaction records, collection statistics, and marketplace data across multiple blockchain networks.

Decentralized random number generation protocol providing verifiable entropy for blockchain applications. Implements multiple sources of randomness with cryptographic verification and tamper-proof delivery. Features customizable request parameters, variable output formats, and cross-chain compatibility for gaming, NFT, and randomized application requirements.

Steer Liquidity Kit is a developer toolkit providing components for building automated liquidity management strategies on concentrated liquidity protocols. It includes backtesting tools, configurable liquidity curve functions, rebalancing logic, and price adapters for external data sources. Developers use it to construct and test custom market-making strategies before deploying them through vault infrastructure.

Codex Dashboard provides API key management, usage monitoring, and billing controls for developers integrating with the Codex API.

Range API provides access to blockchain intelligence infrastructure, enabling address screening, compliance checks, and real-time transaction risk detection through programmatic interfaces.

Liminal Express is a developer API suite that provides RESTful endpoints for building custom wallet and custody infrastructure on top of Liminal's platform. It exposes wallet creation, transaction management, and security functions programmatically, allowing developers to embed MPC and multi-signature protected wallets into their own applications. Developers building institutional or Web3 products use it to integrate secure key management without building custody infrastructure from scratch.

Dialect Protocol is a developer tooling framework implementing decentralized messaging infrastructure through Solana programs, enabling wallet-to-wallet communication and dApp notifications. The protocol provides low-latency message delivery using onchain addressing while storing message content off-chain, and it processes wallet authentication, encrypted data transmission, and notification routing. It supports integration with external messaging backends and front-end frameworks, forming the underlying infrastructure that powers the Blinks, Alerts, and Markets and Positions products.

0x Gasless API is a developer tool that enables token swaps without requiring users to hold native chain tokens for gas. It sponsors transaction fees on behalf of end users by abstracting gas payments and approvals into the backend, covering both gasless approvals and gasless swaps in a single flow. The API integrates into wallets and applications to remove a common onboarding friction point for users new to on-chain trading.

Guardarian Widget is an embeddable interface component that businesses can insert into their websites to enable direct cryptocurrency purchases without technical development. The widget is customizable in size, direction, and theme, and connects to the underlying exchange to complete transactions. It provides a plug-and-play alternative to full API integration for partners seeking a faster setup.

MetisSDK is a developer framework for building custom blockchain networks and execution layers. The toolkit enables creation of specialized blockchain infrastructure with modular components and cross-chain interoperability.

Kiln Connect is a developer tooling suite offering a unified set of APIs for staking operations across proof-of-stake protocols. It includes a transaction crafting API for programmatically creating staking and unstaking transactions and a reporting API for real-time monitoring of yields and validator performance. The service is validator-agnostic, allowing wallets, custodians, and exchanges to integrate staking data and operations without depending on Kiln-run validators, and it interoperates with third-party custody providers for signing.

PeerAuth is a browser extension that helps buyers authenticate payment transactions when completing fiat-to-crypto trades on the Peer platform. It opens the selected payment provider, captures only the metadata required to verify a transaction, and encrypts sensitive session material before sending it to a verified attestation service. The tool does not store a wallet, browsing history, or persistent account data, and is used by traders needing faster, privacy-preserving payment verification.

Particle Auth provides social login infrastructure for Web3 applications, enabling one-click user onboarding through popular platforms like Google and Twitter. The system generates smart accounts while maintaining familiar Web2 authentication flows.

Luno API provides programmatic access to trading, wallet management, and market data functionality through REST endpoints and WebSocket connections. The API supports authentication, order management, and cryptocurrency transfers with official SDKs in Go, Python, and PHP.

TokenFi Generative AI is an artwork generation tool utilizing AI algorithms to produce NFT imagery. The system accepts text prompts and generates unique digital artwork for token launches and collections.

CDP SDK provides client libraries for managing crypto wallets while relying on Coinbase infrastructure to secure private keys. The SDK enables programmatic wallet creation, address management, balance tracking, and transaction execution across EVM-compatible chains and Solana networks.

An API and SDK for developers to integrate multi-chain token swaps into their applications, supporting both DEX aggregation and cross-chain transactions.

Axelar Virtual Machine enables developers to write smart contracts on Axelar while scaling interchain deployments and programming the cross-chain networking layer. It provides tooling to build interoperable applications that operate across connected blockchains. The system is used by developers building and managing cross-chain logic on the Axelar network.

MPC Node Suite is a fully privatized, white-label MPC-TSS infrastructure that enables businesses to build keyless wallet and custody systems at scale. Server-side middleware secured by Intel SGX trusted execution technology works alongside SDKs for web, iOS, and Android to provide distributed key generation, signing, refreshing, and recovery with configurable signing thresholds. The suite supports hierarchical deterministic key derivation and multiple blockchain networks, serving exchanges, payment service providers, wallet service providers, and self-custody service providers building cold-wallet and custody applications.

StaFi LSaaS is a developer toolkit that enables Layer 1 teams, project developers, and startups to deploy liquid staking protocols without building infrastructure from scratch. The stack provides modular smart contract frameworks for EVM and Cosmos environments, supporting both LST and LRT deployment. Builders configure staking pool logic, validator delegation, and token issuance through pre-built components maintained by the StaFi development team.

GoPlus provides Security SDKs to facilitate the integration of its security services into various platforms, including wallets and dApps. These SDKs enable developers to leverage GoPlus's security capabilities, ensuring robust protection for user transactions across multiple blockchain environments.

Tatum Platform is a unified blockchain development toolkit providing RPC nodes, APIs, SDKs, and developer tools for building Web3 applications. The system offers access to multiple blockchain protocols through standardized interfaces while maintaining cross-chain compatibility and enterprise-grade infrastructure.

Unified AI platform providing smart contract generation and auditing, trading analysis, trading assistance and blockchain information through conversational AI interfaces trained on Web3 data.

Rango SDK provides programmatic access to Rango's cross-chain aggregation functionality through a JavaScript/TypeScript library. Developers can integrate token-swapping capabilities across multiple blockchains into their applications with comprehensive API support.

A REST API that allows developers to integrate Uphold’s trading, accounts, authentication, and other platform functions into their own applications.

Prime SDK is a development toolkit that removes Web3 usability barriers by providing ERC-4337 account abstraction infrastructure. The SDK enables developers to build applications with gasless transactions, transaction batching, and cross-chain functionality across multiple EVM networks.

deBridge Liquidity Network is a cross-chain and same-chain trading infrastructure that provides fast, capital-efficient swaps with guaranteed rates. Users specify desired outcomes through orders, which professional solvers fulfill competitively by supplying tokens on destination chains immediately and later claiming source tokens, all secured by the underlying messaging layer. The network operates on a zero-TVL model without traditional liquidity pools, enabling near-instant settlement, zero slippage, and delivery of native rather than wrapped assets. It is accessible through a trading interface, an API for custom integrations, and an embeddable widget.

DODO Trading Widget provides developers with customizable trading and cross-chain swap functionality for integration into dApps through a user-friendly interface without building from scratch.

BuildKit provides API and SDK infrastructure for developers to embed Kamino yield and credit products into external applications. The toolkit enables deposit, withdrawal, rate checking, and position monitoring functions through documented endpoints. Integrators can implement revenue sharing on yields generated for platform users. BuildKit supports Privy embedded wallets for user onboarding without private key management.

Consumer App manages decentralized credit, enabling card management and financial service access without selling crypto.

Sphere API is a developer toolkit providing RESTful endpoints and SDKs for embedding global stablecoin payments into third-party platforms. It supports payment processing, fiat and crypto conversions, and multi-chain transfers, allowing businesses to build on-ramp, off-ramp, and settlement functionality without extensive engineering. The toolkit is used by platforms seeking to embed payment rails across multiple blockchains and stablecoins.