List of Developer Tooling companies in Web3 (2026)

Nite Interface SDK is a developer toolkit that provides smart contracts, Dusk API access, wallet builder, and payment rails for building apps and clients on the Nite Protocol.

BitGifty Enterprise API is a REST API suite that enables platforms to integrate crypto gift card and crypto spending services into their own applications. The Crypto Gift Card API supports bulk gift card creation and distribution, white-label customization of email templates and redemption flows, real-time transaction tracking via webhooks, and both mainnet and testnet environments. The Crypto Spend API allows third-party applications to offer mobile airtime top-ups, utility bill payments, and brand gift card purchases to users paying with cryptocurrency.

Longswipe for Business is a merchant platform enabling businesses to accept Longswipe vouchers as a form of checkout or payment with instant settlement into a preferred currency. Merchants create dedicated accounts to manage voucher redemption, appoint collectors who redeem vouchers on their behalf across multiple currencies, and integrate voucher-based checkout using software development kits for web, mobile, and desktop applications. The platform is aimed at event organizers, point-of-sale operators, and online merchants seeking cross-border payment acceptance without traditional exchange fees.

Klink Offer Integration API is a business-facing affiliate offer network platform that lets apps, games, and platforms embed partner offers to monetize their user base. Publishers integrate the offer inventory through a web-based iframe or a modular API, letting advertisers pay only for verified user actions such as installs, sign-ups, or purchases. The service manages offer publishing, deep-link routing, conversion tracking, geofencing, and localized payouts, and rewards can be issued as in-app currency, points, or tokens.

Flutterwave API is a payment processing API that enables businesses to accept payments from customers and send money to others through multiple payment methods including card payments, direct debit, bank transfers, and mobile money across African and global markets.

Telegram-based monitoring service tracking validator node health, delegation status, commission changes, and lock-up cycles with instant notification delivery. The bot enables users to monitor multiple validators and delegations, receiving alerts for network issues, validator performance changes, and staking cycle events.

Unified Web3 development platform that consolidates APIs, SDKs, smart contract deployment, custodial wallet services, gamified learning through Vottun Journey quests, and code-to-earn incentives for developers building dApps and blockchain solutions.

A developer toolkit on Solana for unified trade execution across spot and prediction markets with smart routing, liquidity aggregation, and declarative or imperative swap flows.

x402-secure is an open-source SDK and proxy that adds verified identity, intent checks, and agent‑native risk controls to x402 payments, powered by Trustline risk analysis.

Sui Move Analyzer is a Visual Studio Code extension providing syntax highlighting, code completion, navigation, diagnostics, and framework integration for Move smart contract development on Sui blockchain.

Esper provides browser-based verification tools for contributing authenticated web data to AI agents. The system uses cryptography and secure hardware to create verifiable information without compromising user privacy.

HelloMoon Developer Platform is a developer tooling suite that provides blockchain infrastructure through APIs, RPC endpoints, and real-time data streaming. It gives developers access to standard and dedicated RPC nodes, gRPC streaming, and a transaction landing service that submits and accelerates settlement of transactions, charging only on successful delivery. The platform supports NFT analytics, DeFi monitoring, and cross-chain data access for teams building applications across multiple blockchain networks. Dedicated, premium-hardware nodes are also available for latency-sensitive or high-throughput workloads.

Sen Hub provides development infrastructure for Solana DApps through an integrated platform that enables application deployment, testing, and distribution. The system offers developer toolchains, sandbox testing environments, and marketplace distribution through Sen Store.

Storage Proof API provides developers with programmatic access to generate and verify storage proofs within applications. The API abstracts cryptographic complexity and integrates storage proof validation logic through a well-defined interface, allowing applications to implement cross-chain data verification without specialized knowledge of proof systems.

Scrypto implements asset-oriented programming through Rust-based smart contract language, providing native asset primitives and blueprint deployment system. The framework enables secure DeFi development with built-in resource management and developer royalties.

Constellation implements unified API access through SDK integration, enabling developers to interact with decentralized AI subnets. The platform provides client libraries for accessing language models, data collection services, and scientific computing resources across the Bittensor network.

MiniPay Mini Apps is a developer platform that lets third parties build and distribute web applications running inside MiniPay's in-app browser. Developers submit apps that gain instant access to a user's wallet and the underlying blockchain network without requiring separate onboarding or browser extensions. The platform provides wallet connection, transaction signing, and custom methods such as exchange rate lookups and QR scanning, enabling use cases including bill payments, prediction markets, vouchers, and games distributed to the wallet's user base.

DaaS provides API infrastructure enabling financial institutions to integrate digital asset capabilities including crypto trading, custody, and wallet services. The platform supports transactions across cryptocurrencies with embedded compliance tools and tokenization functionality for both fungible and non-fungible assets. Users access trading APIs, secure custody solutions, and loyalty program infrastructure through standardized integration endpoints.

A developer toolkit enabling businesses to integrate cryptocurrency payment acceptance through the Beans platform. The SDK generates QR code payment requests, supports multi-currency transactions with automatic conversion, processes instant settlements, and provides webhook notifications for payment confirmations. Merchants can deploy point-of-sale systems, e-commerce integrations, or custom payment flows while accessing Beans network liquidity without managing individual on-ramp partnerships.

LYNC is an autonomous AI and Web3 layer that provides developers with a unified no-code platform for building on-chain products. The system integrates smart wallet infrastructure, AI agent tooling, and tokenization capabilities to enable cross-chain dApp development with reduced complexity and cost.

NDAX White Label Platform enables businesses to deploy cryptocurrency trading capabilities through plug-and-play infrastructure, providing customizable trading solutions with advanced security measures and API integration.

Brutus Energy Bot provides automated energy and bandwidth rental services on the Tron blockchain through a Telegram bot interface, API, and web platform. The system allows users to rent or provide energy and bandwidth resources, automating the resource provisioning process for Tron transactions.

Dexter MCP Server implements Model Context Protocol integration for ChatGPT, Claude, and other AI assistants, enabling authenticated agents to execute on-chain Solana operations through unified tool interfaces. The system provides OAuth2 authentication, session management, and tool bundles for wallet operations, market data retrieval, token swaps, and blockchain interactions. Developers can deploy via HTTPS transport for hosted connectors or stdio transport for local agent integration.

TDX Measurement Verification Tool is a web utility that calculates MRTD and RTMR measurements for Intel TDX trust domains from selected firmware, hardware, and software configurations. Users choose a firmware image, hardware configuration, and payload type, and the tool computes the corresponding measurement values used to verify a trust domain's configuration. It helps developers and data providers confirm that a deployed environment matches expected, tamper-evident configuration measurements.

MCPay SDK is a developer library that adds x402 wallet payment handling to MCP clients or custom apps. It intercepts 402 responses, pays on-chain with a configured wallet, and retries the tool call for programmatic pay-per-call access.

Resolute is a unified interface for Cosmos ecosystem interactions enabling users to connect wallets, manage multisig operations, execute cross-chain transactions, and participate in governance across multiple Cosmos SDK-based blockchains through a single dashboard.

J Tools is a no-code Solana workflow platform providing token creation for SPL and Token-2022 standards, authority management, multi-DEX liquidity pool deployment across Raydium, Meteora, and Orca, Pump.fun token launches with Jito bundle execution, token distribution, swap aggregation via Jupiter, and wallet privacy tools. The platform operates through a single wallet-connected interface with transparent cost previews before transaction signing.

NockApp is a framework for building applications that settle execution proofs to Nockchain. Applications use a two-component architecture: a kernel written in Hoon or Jock that compiles to the Nock instruction set architecture, containing formally verifiable application logic; and a Rust-based runtime providing a NockVM execution environment alongside I/O drivers for HTTP, file access, and gRPC networking. The kernel operates as a deterministic state machine with state persisted automatically by the runtime. Applications declare intents over Nockchain state, with off-chain logic generating zero-knowledge proofs submitted on-chain for verification. NockApps communicate with each other via gRPC for local and remote discoverability. The SDK includes stock I/O drivers, a Nockup build manager with application templates, and reference implementations including the Nockchain node and CLI wallet.

Spatial Streaming SDK is a developer toolkit for building and deploying real-time 3D spatial streaming applications, with plugin integrations for Unity and Unreal Engine. Applications built with the SDK connect to the Mawari Network's distributed compute infrastructure for rendering and low-latency delivery of spatial content to XR devices.

Starknet ID SDK provides JavaScript libraries for identity and domain resolution, enabling dApp integration with naming services. The toolkit implements profile data retrieval, domain encoding/decoding, and multicall optimization through standardized APIs and React components.

Kakarot implements a complete EVM in Cairo, enabling existing Solidity smart contracts to run on Starknet. The system combines STARK-based cryptography with full EVM compatibility, allowing developers to deploy and execute Ethereum applications within Starknet's high-performance environment while maintaining code compatibility.

Secure Block Building implements cryptographic primitives that protect users from harmful MEV practices during block production. The system encrypts transactions directly in the user's browser with sub-second processing time. SBB utilizes Practical Verifiable Delay Encryption and Single Key Delay Encryption technologies to maintain rollup composability while preventing transaction reordering. The architecture includes slashing mechanisms enforced through native rollup security or shared security protocols. This configuration enables rollups to capture MEV revenue without exposing users to frontrunning or sandwiching attacks.

Noir is a domain-specific language for creating zero-knowledge proofs. Noir enables developers to build private applications while maintaining compatibility with public blockchain infrastructure.

Tensorplex Dojo implements human-AI collaboration infrastructure through crowdsourced dataset collection protocols, enabling quality training data generation for machine learning models. The system facilitates real-time human feedback integration while rewarding contributors for AI development participation.

Human Network (previously Mishti Network) implements threshold cryptography through Ethereum restaking, enabling secure Human Key derivation from biometric data and programmable privacy for identity proofs. The system operates as an AVS on EigenLayer and Symbiotic with distributed key management.

QuickRemit is an off-ramp payout API that lets partner businesses convert digital assets into fiat and settle funds to end-user bank accounts. It provides partners with sandbox and production environments, onboarding, and identity verification workflows to build controlled payout journeys. The API supports real-time exchange rate quotes, bank wire payouts, and transaction status tracking for partner-integrated remittance flows.

Dework Platform provides task management infrastructure for decentralized organizations through customizable workspaces, bounty systems, and contributor tracking. The system enables role-based access control via Discord integration and token holdings, supports batch cryptocurrency payments through Gnosis Safe integration, and maintains two-way synchronization with GitHub for issue tracking. The platform facilitates transparent workflow management while supporting various payment tokens across blockchain networks.

Stakewiz is a Solana ecosystem analytics platform acquired by SOL Strategies in March 2025 as part of the Laine validator acquisition. The platform provides real-time validator performance metrics, staking statistics, network analytics, and validator comparison tools that help delegators make informed staking decisions. Stakewiz delivers validator uptime tracking, annual percentage yield calculations, commission rate monitoring, and network insights through a dashboard interface aimed to enhance transparency for the Solana staking community.

Bluechip API is a developer interface for programmatic access to Bluechip's ratings and assessment data. It allows external applications to query stablecoin scores and reports directly. Developers building analytics or comparison tools use it to integrate Bluechip's risk assessments into their own products.

The Bittensor SDK is an open-source Python library for programmatic interaction with the Bittensor network. It provides tools to create and manage wallets, register miners and validators, write subnet incentive mechanisms, query network state, and submit transactions to the Subtensor blockchain. The library uses a dual-key wallet model with a coldkey for secure TAO storage and a hotkey for operational tasks.

OP_NET AI is an AI-assisted developer tool for exploring the OP_NET protocol and building Bitcoin applications. It serves as an interactive entry point for developers starting to build on OP_NET.

Temple SDK provides programmatic access to Temple's trading infrastructure on Canton Network through a REST API and WebSocket interface. Developers can retrieve market data, submit and manage orders, access account balances, and track transaction history. A JavaScript SDK package is available on npm for building trading applications and autonomous agents on Canton Network.

Fleek Platform enables building and deploying Web3 applications. It enables developers to deploy static sites and apps to IPFS and other networks with one-click deployments and CI/CD integration through Fleek Sites. It leverages edge-optimized serverless functions built on Fleek Network's onchain cloud infrastructure for running backend logic and APIs. Fleek Platform also includes a decentralized file storage and content delivery network built on IPFS.

A development toolkit for businesses to integrate data tokenization and trading capabilities into their applications.

A decentralized protocol infrastructure that enables the creation and management of on-chain investment funds and indices, with automated rebalancing and real-time tracking capabilities.

An open source Ethereum protocol for memberships & subscriptions.

State-based inscription protocol enabling efficient data storage on Solana with minimal gas fees through lossless compression.

Mean Protocol provided a suite of interoperable smart contracts for DeFi operations on Solana, including liquidity aggregation, dollar-cost averaging, and token offerings. The protocol served as the foundation for Mean's early financial infrastructure.

A suite of open-source tools that implement the SNIP-14 standard on Starknet, allowing NFTs to function as smart wallets that can hold assets and interact with dApps.

The REAL (Reliable Electronic Artwork Ledger) Protocol is a system developed by Artrade for authenticating physical artworks using blockchain technology. It bridges physical art and NFTs by creating verifiable provenance records and enabling secure ownership transfers.