List of Developer Tooling companies in Web3 (2026)

Parser enables no-code smart contract indexing and analytics through automated data transformation. Developers can create custom APIs and dashboards without writing code.

rhino.fi API is a cross-chain bridging service that enables developers to integrate asset transfers between 30+ blockchains through a single API.

Velora SDK allows developers and dApps to integrate DEX aggregation functionality. The toolkit provides API access to liquidity aggregation across multiple decentralized exchanges with competitive routing.

Stargate API is a unified REST interface that enables seamless cross-chain token transfers between supported networks. The system provides transparent transaction data for verification while maintaining non-custodial asset control.

A middleware SDK providing cross-chain bridging, liquidity aggregation, and smart wallet functionality for developers building DeFi applications across multiple blockchains.

Archax Tokenisation Engine enables creation and management of digital tokens representing real-world assets through multi-chain deployment infrastructure, supporting issuance of tokenized funds, bonds, equities, commodities, and stablecoins across integrated blockchain protocols.

Pier Two Network Services is a blockchain node operation infrastructure supporting validation, oracle data feeds, and cross-chain application services across Layer 1 networks and testnet environments. The service operates full nodes providing transaction validation, data availability, and network connectivity for decentralized applications requiring persistent blockchain access without self-hosted infrastructure requirements.

Nirvana Cloud is a bare metal cloud platform optimized for blockchain, AI, and real-time workloads, combining compute, storage, networking, and orchestration into a single stack. It provides high-clock virtual machines, accelerated block storage with sustained IOPS and sub-millisecond latency, and a private low-latency networking layer for connecting to external clouds without egress fees. A managed Kubernetes service handles cluster provisioning and autoscaling, while isolated agent sandboxes let developers run and checkpoint autonomous AI agents. Users deploy validators, RPC nodes, data pipelines, inference workloads, and trading infrastructure while offloading hardware management to the platform.

Exolix API is a developer interface for programmatic access to exchange services, enabling rate queries, transaction creation, and status monitoring via REST endpoints.

Wizard is an AVS-as-a-Service platform for deploying and managing Actively Validated Services within the EigenLayer ecosystem. Provides template-based AVS contract deployment through a no-code dashboard, operator whitelisting and onboarding tools, and ongoing AVS management features for builders.

Zerion API provides developers with real-time blockchain data access through REST and WebSocket endpoints, enabling wallet balance queries, transaction history retrieval, and DeFi position tracking across multiple blockchain networks.

Sign Protocol provides omni-chain attestation infrastructure through smart contracts and APIs, enabling cross-chain verification of information. The system supports multiple blockchains while maintaining decentralized attestation standards.

Core Lightning is an implementation of the Lightning Network protocol for Bitcoin, enabling instant, low-cost payment channels. It offers a modular architecture with plugin support for customization to meet enterprise requirements, and includes a cloud-hosted node and developer API that lets applications embed non-custodial Lightning payments without operating their own node infrastructure. Developers and enterprises use it to run Lightning nodes or integrate Lightning payments into their own applications. It supports collaborative channel management, submarine swaps, and multiple privacy-preserving payment routing options.

Multi-proof generation system supporting RISC0, SP1, and SGX proof methods for Taiko block validation. The system provides cryptographic verification capabilities for the based rollup architecture through multiple proving backends.

CoinTool is a no-code blockchain toolbox that enables token creation, batch token distribution, and wallet management across multiple EVM and non-EVM networks. Users deploy standard token contracts, send tokens to multiple addresses in one transaction, generate wallets in bulk, check allowances, and query airdrop eligibility through a browser-based interface without writing code.

Airnode is serverless oracle node software that lets API providers run first-party oracle nodes delivering their own data directly to smart contracts. Operators configure existing REST API endpoints into blockchain-compatible data feeds and deploy the node through managed cloud infrastructure without maintaining dedicated servers. It supports both continuous data feed publishing and direct on-chain data requests, letting providers sign their own data at the source and establishing clear cryptographic attribution for oracle inputs.

A TypeScript toolkit for high-performance batch indexing of blockchain data sourced from SQD Network. The SDK provides modular architecture for data extraction, transformation, and persistence with processors for EVM and Substrate chains, typegen utilities for smart contract decoding, and support for multiple data stores including PostgreSQL, file systems, and BigQuery.

Noves App provides a unified platform for blockchain data services, enabling access to various APIs, tools, and features including transaction inspection, data export for tax purposes, and integration solutions across 80+ blockchain networks.

Sats Connect is a JavaScript SDK enabling web applications to connect to Bitcoin wallets. The library implements the WBIP001 standard for wallet connection, transaction signing, account management, and supports Bitcoin Layer 1, Stacks, and Starknet interactions.

Quidax API is a developer tooling product that lets businesses build crypto-powered features, including stablecoin payments and fiat-to-crypto connectivity, into their own applications. It provides programmatic access for building exchanges, fintech products, digital wallets, or neobanks that need to connect dollar-pegged tokens with local currencies. Businesses integrate the API to embed deposit, withdrawal, and payment functionality without operating their own exchange infrastructure.

Mimic Protocol is a permissionless, non-custodial, intent-based blockchain execution protocol that powers automation across decentralized applications. It works through a planning layer where users define functions that generate intents, an execution layer where a coordination engine broadcasts intents to competing solvers, and a security layer where settler contracts verify execution against user-defined constraints. Developers and builders use it to create deterministic, verifiable automation such as rebalancing, fee routing, or conditional transfers across multiple blockchains.

Vorj is a no-code development platform that enables users to create, deploy, and manage smart contracts on the VeChainThor blockchain without coding experience or transaction fees. The platform provides organization and team management features, OpenZeppelin-based smart contract templates for ERC-20 and ERC-721 tokens, customizable contract configuration interfaces, and API integration capabilities for both UI-based and programmatic access.

CoinJar Clear is a white-label infrastructure product that lets financial services companies embed cryptocurrency trading and custody into their own applications, interfaces, or client management systems. The service provides access to CoinJar's liquidity engine and a wide range of cryptocurrencies through a customizable API, along with individual client sub-accounts and built-in order management. It supports institutional-grade custody through multi-signature and cold storage solutions, allowing businesses to offer branded crypto trading, custody, and rewards to their own customers.

Zeus Program Library provides developers with tools and infrastructure to build multi-chain applications leveraging Bitcoin functionality on Solana through pluggable and programmable components.

ENS Tools provides utility functions for ENS domain management including name status checking, primary name setting, domain unwrapping, and resolver management. The tools support advanced operations for users managing wrapped names and contract-based domain operations.

ICRYPEX API is a developer toolkit that provides REST and WebSocket endpoints so businesses, traders and independent developers can programmatically access market data and execute trades on ICRYPEX.

Reveel APIs are developer infrastructure that let applications, wallets, and AI agent frameworks integrate Pay(ID) stablecoin payment capabilities directly into their own products. The API provides endpoints for claiming and resolving Pay(ID)s, configuring payment routing rules, and tracking cross-chain transactions through a unified interface. It is aimed at embedded wallet providers, AI agent frameworks, and platforms binding decentralized identifiers or usernames to enable omnichain stablecoin payments.

Dev Utexo is a developer tooling suite providing SDKs, RPCs, and a node API with webhook and token-based authorization for building applications on Bitcoin's Lightning Network and RGB asset layer. It exposes methods for wallet management, asset issuance and transfer, on-chain Bitcoin interactions, and Lightning payments, with client-side validation so no shared state is sent to a central server. Developers use it to embed stablecoin issuance, transfer, and payment functionality into their own applications without operating their own nodes or infrastructure.

YO SDK is a developer toolkit enabling applications to embed YO Protocol's yield vaults through a single integration point. It provides a TypeScript package with React Hooks for frontend and backend use, a plug-and-play widget component for direct UI embedding, and an agentic interface for integrating yield capabilities into AI-driven workflows. All methods route onchain interactions through the yoGateway contract, which handles allowance management and slippage across all current and future yoVaults.

Euler Vault Kit provides developers with tools to deploy ERC-4626 vaults without requiring permissions. The kit allows full control over governance settings, risk management parameters, asset pricing mechanisms, and interest rate models.

NodeOps Network is a chain-agnostic, permissionless orchestration layer for general-purpose compute that coordinates decentralized infrastructure across a distributed network of independent providers. It secures its operations through autonomous verifiable services and lets compute consumers scale resources up or down without long-term commitments. The network underlies other NodeOps offerings, including the flagship application workspace and node hosting services, by supplying the underlying compute and coordination layer.

Vortex API and Widget is a business-facing integration layer that lets companies embed fiat-crypto on-ramp and off-ramp functionality directly inside their own applications. It provides a hosted checkout widget along with a programmatic exchange API and software development kit, handling quoting, KYC and KYB, compliance, and settlement so partner businesses can add ramp functionality without building their own infrastructure. The system connects to regulated local partners and stablecoin liquidity routes to convert between fiat currencies and cryptocurrencies, and supports both manual widget embedding and automated, backend-driven settlement triggered from custody wallets, multisigs, or smart contracts.

Upbit API provides programmatic access to trading functions, market data, and account management through RESTful endpoints. The system enables third-party integrations with authentication protocols and rate limiting for developer applications.

Bitcoin Suisse APIs are enterprise REST and FIX interfaces that let developers integrate trading, custody, staking, reporting, and client management into their own systems. A single API key can manage multiple client accounts with low‑latency execution and reporting endpoints.

Virgo Widget is a JavaScript SDK and WordPress plugin enabling crypto projects to embed a token purchase interface on their websites. The tool handles fiat payment processing, cross-chain swap routing, and regulatory compliance across Ethereum, Binance Smart Chain, and Polygon, supporting multiple fiat payment methods with a free integration model for developers.

NodeReal API Marketplace is a developer tooling platform that aggregates third-party and first-party blockchain APIs into a single subscription interface. Developers browse and subscribe to packaged APIs covering NFT data, DeFi analytics, wallet toolkits, token indexing, and chain-specific endpoints from partners including NFTScan, Covalent, and PancakeSwap. Access is managed through NodeReal's unified authentication and billing layer.

Stakely Staking API is a developer integration product that lets institutions orchestrate staking flows across multiple blockchains through a single REST interface. It supports delegating, unstaking, claiming rewards, and automating recurring staking operations while transactions remain signed client-side, keeping private keys outside Stakely's environment. The product is built for institutional clients and custodians that need to embed staking into their own platforms without building infrastructure from scratch.

Stone Prover is the STARK-proof generation system that powers StarkWare's products. The system generates cryptographic proofs that verify computational integrity while maintaining high performance.

OSL Trading API enables platforms to integrate regulated digital asset trading and custody functionality through API-driven solutions. The service provides secure and compliant infrastructure for scalable asset management by third-party platforms.

A unified API infrastructure providing read and write connectivity to multiple blockchains and DeFi protocols. The system supports transaction signing, data querying, price discovery, trade decoding, compliance checks, and liquidity management across DEXs, bridges, lending platforms, staking protocols, oracles, and NFT marketplaces. The platform uses a modular architecture enabling developers to interact with various chains and protocol endpoints through standardized API calls.

APX Permissionless DEX Engine is an SDK enabling third-party projects to deploy branded on-chain perpetual futures exchanges using APX V2 infrastructure. Partners access the shared ALP liquidity pool without requiring authorization from APX Finance and can configure custom domains and trading interfaces. Partners earn commissions on trading fees generated through their deployed platforms. BNB Chain and Arbitrum are supported.

TipLink API is a developer tool that enables programmatic creation and management of TipLink wallets for holding tokens and NFTs at scale. Developers use the API to generate wallet links and keypairs, then distribute or fund them for use cases such as payments and bulk asset distribution. It provides the underlying interface consumed by other TipLink products for automated wallet operations.

Tres Alerts Centre provides real-time notifications for blockchain transactions and digital asset activities, enabling businesses to integrate transaction monitoring into their daily workflows.

Sway is a domain-specific programming language based on Rust syntax, designed for high-compute blockchain environments with compile-time analysis, safety features, and smart contract paradigm support.

A GraphQL development environment for building and testing blockchain data queries across multiple networks.

Superbridge Rollies is infrastructure-as-a-service that provides customizable bridge interfaces for blockchain teams. The system includes dedicated indexers, custom domains, theme customization, and integration support for OP Stack and Arbitrum Orbit rollups.

Peanut Protocol is a self-custodial peer-to-peer payments application for sending and receiving digital dollars across borders. Users deposit and withdraw funds using passkey authentication, then send money via simple links or QR codes, including local payment rails such as MercadoPago QR in Argentina and Pix in Brazil, with no local ID or bank account required. The app covers network fees on deposits and withdrawals and supports multiple stablecoins across several blockchain networks. Developers can integrate payment functionality into their own applications through an accompanying SDK and API.

Coinchange provides API-powered stablecoin yield infrastructure for fintech companies, enabling customers to earn on digital assets through integrated DeFi protocols. The system offers embedded yield functionality with automated portfolio management and risk-neutral strategies across multiple blockchain ecosystems.

CoinTR API is a developer interface that provides programmatic access to exchange functionality including trading, market data, account management, and order execution. The API enables third-party applications and algorithmic trading systems to integrate with the CoinTR platform.

0xGraph is a real-time blockchain indexing engine that exposes smart contract data via Graph-compatible subgraphs for low-latency GraphQL queries without running infrastructure.