List of Developer Tooling companies in Web3 (2026)

Velora SDK lets developers add Velora swaps, limit orders, TWAP orders, and OTC trades to wallets and applications. An embeddable swap widget provides a ready-made swap interface with wallet management and options to monetize swaps.

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.

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.

Swap API lets wallets, DeFi platforms, DEX aggregators, and payment providers add crypto exchange functionality through SwapSpace using one API key. It connects a product to multiple exchange providers and a wide range of assets, and includes private transfers. Banners, buttons, links, and an exchange widget are available as no-code alternatives, alongside an affiliate program.

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.

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.

rhino.fi API is a REST service that lets developers integrate stablecoin deposits and cross-chain transfers between multiple blockchains into their applications 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.

Kana Labs SDK is a developer toolkit from Xyra Labs, formerly Kana Labs, for adding cross-chain swaps and bridging to decentralized applications. It combines liquidity aggregation, cross-chain bridges, and smart routing behind one integration that works across EVM and non-EVM blockchains. Developers can also embed a ready-made swap widget instead of building their own interface.

Archax Tokenisation Engine is a multi-chain service for issuing real-world assets as tokens on public and permissioned blockchains. Asset managers and issuers use it to tokenize funds, bonds, equities, commodities, and real estate, following an end-to-end process from planning through to issuance. Tokenized issuances can then be admitted for trading and held in custody on the Archax platform.

Archax Stablecoin Service helps financial institutions, corporates, and retailers issue their own stablecoins. Archax works with the issuer on regulatory structuring, the technology to issue and manage the token, and integration into markets. Issuers use these stablecoins for cross-border payments, payment automation, and customer programs.

Archax Treasury Solutions gives firms regulated safekeeping and access to yield-bearing instruments for their treasury. Fiat cash in several currencies can be held in segregated custody, alongside money market funds and short-dated government and corporate bonds, bills, and commercial paper. Longer-dated bonds, yield enhancement strategies, and structured solutions are available depending on risk appetite.

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 REST interface for building Exolix swaps into wallets, payment services and other platforms. Endpoints list currencies and networks, return fixed or floating rates with minimum amounts, create transactions and report their status. Partners get an API key through the affiliate program and earn a share of the revenue from each swap.

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.

SuperformOS is a developer and operator platform for building and managing SuperVaults, the yield-routing vault system underlying the Superform protocol. It provides tooling for configuring vault strategies, executor logic, and cross-chain hooks that route deposits to yield sources across multiple blockchains. Vault operators and integrators use the platform independently of the consumer app to deploy and maintain vault infrastructure.

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.

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.

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 multiple 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.

Fee Collector is an automation solution that swaps collected tokens into a designated asset and routes proceeds to wallets, teams, or partners across chains. It uses Mimic Protocol's function-based execution to detect incoming fees, convert them via decentralized liquidity sources, and deliver settled funds to specified destinations without manual intervention. Businesses and protocols use it to automate recurring fee collection and distribution workflows across multiple blockchains.

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.

Upshift is a vault platform that lets institutions and partner protocols offer onchain yield strategies. Deposits mint receipt tokens, curators deploy the assets under an onchain policy engine built on August, and net asset value accrues back to depositors. Its DeFi Yield vaults allocate deposits to curated strategies across multiple chains, while Vault-as-a-Service lets partner protocols run the same vaults under their own brand. RWA Clear funds instant redemptions of tokenized real-world assets from an LP pool that earns spread fees and lending yield, and developers can integrate through an SDK, REST API, CLI, and MCP server.

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.

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 is an onchain data API for wallets, fintechs, and apps. Developers query token and NFT balances, DeFi positions, profit and loss, and transaction history across multiple blockchains with a single request.

Zerion DeFi SDK is an open-source set of smart contracts for trading tokens through a single router and reading user assets and debt across DeFi protocols. It also resolves the underlying components of derivative tokens and gives applications a unified way to interact with multiple protocols.

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.

Solana Mobile Stack is a platform for building crypto-native Android devices and apps. It provides hardware-secured key custody, a protocol connecting mobile apps to wallets, and an alternative app store. Device makers integrate it into their own phones, and developers use it to build and distribute apps.

ShapeShift Swap Widget and API lets developers add cross-chain swaps to their own apps. The widget is a drop-in swap interface with configurable themes and default assets, and the API returns rates, executable quotes, and swap status for teams that build their own interface. Integrators set a partner fee that settles on-chain.

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 gives developers programmatic access to Upbit markets and accounts. The Quotation API serves trading pairs, candles, trades, current prices, and order books, and the Exchange API handles order placement, deposits, withdrawals, and balance inquiries. WebSocket streams deliver real-time trades, order books, and a user's own orders.

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 developer tool that lets crypto projects embed a token purchase interface on their websites. It handles fiat payment processing and cross-chain swap routing, supports multiple payment methods, and is free for projects to integrate.

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.

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 a developer SDK that lets third-party projects launch branded on-chain perpetual futures exchanges. It gives partners access to the protocol's shared liquidity pool without prior authorization, and lets them configure their own domains and trading interfaces across multiple blockchains. Partners earn a commission on the trading fees their deployed exchanges generate.