List of Developer Tooling companies in Web3 (2026)

A development kit for building smart account modules that work across all ERC-7579 compliant accounts. ModuleKit provides standardized interfaces, testing frameworks, deployment scripts, and third-party integrations for module development.

An API for creating, minting, and managing ERC‑20 tokens with options such as mintable, burnable, and gasless tokens, plus metadata updates and webhooks.

PDAX Connect is a business-to-business integration offering that provides enterprise APIs and ready-to-deploy front-end tools for embedding tokenized asset and digital asset trading into partner platforms. It lets fintechs, remittance providers, and payment platforms offer crypto trading and wallet services under PDAX's existing licensing, without obtaining separate virtual-asset licenses. Partners access liquidity and market-making aggregation to support their own remittance, payment, trading, or treasury use cases, with routing across multiple payment rails. The offering consolidates prior white-label API and platform-solutions materials into a single integration product.

Megadata is a developer tooling framework that enables dynamic on-chain metadata attachment for digital assets deployed on EVM-compatible networks and Solana through Chromia-based storage infrastructure. The system exposes SDK interfaces for reading and writing asset metadata from existing token contracts, providing an alternative to off-chain storage for asset data.

Yours Protocol is a token standard built on Chromia that supports on-chain metadata storage and cross-chain asset portability for digital assets. The protocol enables assets to carry structured, mutable metadata verified on-chain rather than through external URIs, and supports both fungible and non-fungible asset types with persistent state across connected chains.

OnRamp Crypto Platform-as-a-Service is a white-label infrastructure offering that lets businesses build and operate their own branded crypto payment or fiat ramping platform. It provides full API access for transaction processing, wallet interactions, and payment flow management, along with support for multiple cryptocurrencies and settlement rails. Clients retain control over custody, licensing, and end-user experience while OnRamp supplies the underlying technology.

Cross-chain infrastructure that enables secure wallet-to-app connectivity through decentralized service nodes, gateway nodes, and relay services using rendezvous hashing-based database architecture.

SOON Stack is a developer framework that lets teams deploy custom rollups using a decoupled virtual machine architecture on top of any base layer network. It provides one-click deployment tooling so builders can launch their own high-performance chains without building rollup infrastructure from scratch. The framework supports multiple settlement and data availability providers, enabling interoperable chains referred to as SOON Chains.

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.

rhino.fi Widget is a customizable, no-code solution that allows developers to quickly deploy cross-chain bridging functionality into their applications with minimal implementation effort.

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.

Archax Stablecoin Service provides end-to-end stablecoin issuance infrastructure including regulatory structuring, smart contract deployment, reserve management, and market integration across multiple blockchain protocols for institutional clients and businesses.

Archax Treasury Solutions provides access to regulated money market funds and yield-bearing instruments through tokenized representations, enabling stablecoin holders to convert holdings into yield-generating assets with institutional custody and regulatory compliance.

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.

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.

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.

Elements is an open-source blockchain platform for building sidechains, providing the underlying framework used by networks such as Liquid Network. It offers developers configurable consensus, asset issuance, and confidential transaction capabilities for creating custom Bitcoin-compatible chains. Developers use it to build and deploy sidechain networks tailored to specific requirements.

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.

Lantern is an Ethereum light client implementation in C# enabling peer-to-peer consensus tracking on resource-constrained devices without full node requirements. The client maintains direct connections to beacon nodes through libp2p protocol, tracking sync committee signatures for consensus verification while eliminating dependence on centralized RPC providers for blockchain data access.

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.

A platform-as-a-service for hosting custom blockchain indexers and GraphQL APIs. The service handles resource provisioning, database migrations, and infrastructure maintenance for production-ready indexing pipelines. Features include dedicated deployment profiles, PostgreSQL and Hasura addons, RPC proxy endpoints, API scaling with load balancing, and zero-downtime updates through deployment slots.

A lightweight adapter for running subgraphs against SQD Network without requiring archival RPC nodes. The adapter operates as a sidecar to graph indexer nodes, ingesting and filtering historical data from SQD Network while optionally fetching recent unfinalized blocks from RPC endpoints. Enables deployment of existing subgraphs without code modifications.

A plugin for ApeWorx Python framework enabling bulk blockchain data retrieval from SQD Network. The plugin provides orders of magnitude faster data access compared to RPC-based sources for queries spanning more than 1,000 blocks. Supports block queries, event log retrieval, and historical account data access through ApeWorx's query interface.

Fibrous API & SDK is a developer platform that provides programmatic access to the Fibrous aggregation engine through self-service API keys. It exposes routing, quoting, and swap execution endpoints and an SDK that developers use to embed token-swap functionality into wallets, trading applications, and other platforms across multiple blockchains. The platform includes account and key management through a dedicated developer portal.

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.

Foresight API analyzes unsigned transactions to show what they will do before execution, providing plain-English descriptions and simulations of anticipated asset transfers and contract interactions.

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.

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.

Xverse API is a Bitcoin data and infrastructure API for developers. The service provides Bitcoin RPC access, Ordinals indexing, Runes support, BRC-20 token data, portfolio and transaction history, swap aggregation, and Runes minting and etching services for building Bitcoin applications.

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.

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.

A browser extension displaying real-time gas price information across Bitcoin, Solana, and over 80 EVM-compatible networks.

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

BitcoinKit is a modular developer toolkit that enables Bitcoin integration with Solana's DeFi ecosystem through programmable interfaces. The system provides widgets, APIs, SDKs, and CLI tools for building Bitcoin-native applications, facilitating tokenized BTC trading, lending, and cross-chain liquidity access without custodial dependencies.

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.

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.

Lulo Developer API is a REST API service that lets third-party applications integrate Lulo Protected and Boost yield directly into their own products. It provides endpoints to generate deposit and withdrawal transactions, fetch account balances, and access current and historical protocol rate and pool data. Access requires a dedicated developer account and an API key obtained through a separate developer portal, distinct from the consumer deposit app.

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.

Zerion DeFi SDK is an open-source smart contract system implementing protocol adapters for standardized integration with DeFi protocols. The SDK provides on-chain balance retrieval, derivative token metadata, and automated protocol registry updates through modular adapter contracts. Developers deploy protocol-specific adapters to the Adapter Registry enabling automatic integration across applications without manual protocol implementation.

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.

CreateOS is a unified execution environment operated by NodeOps that lets builders move from idea to live application through a single workspace. It combines AI-assisted code generation, one-click deployment from source repositories, container images, or direct file upload, managed databases, monitoring, security scanning, custom domains, and a template marketplace. Developers and AI agents can also connect through a machine-readable interface to create projects, configure environments, and ship deployments without leaving their coding tools. The platform additionally supports monetizable API microservices that other agents can discover and call, with revenue shared back to publishers.

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.

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.

Stwo Prover is a next-generation STARK prover that implements the Circle STARK protocol. It processes blockchain transactions with efficiency and lower costs.

STRK20 is a privacy framework that brings shielded balances and private transfers to ERC-20 assets on Starknet. It operates at the protocol level and is accessed from the user's wallet, letting holders shield a balance, transact privately, and unshield in one action. The framework shares a viewing key with an independent auditor to enable scoped, compliant disclosure when legally required.

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.