List of Developer Tooling companies in Web3 (2026)

Bridge-as-a-Service is a developer toolkit for deploying custom cross-chain bridges on ElkNet using standardized smart contracts and SDKs.

Zondax Hub is a web-based tool for discovering and installing Ledger hardware wallet apps developed by Zondax. Users connect a Ledger device, browse available asset apps by name, and install released or pre-release versions. The platform provides access to apps pending official Ledger Live approval, including versions marked as under review or not yet released.

Triple-A API is a developer tooling product that provides endpoints and documentation for integrating Triple A's payment, payout, and remittance capabilities into external applications. Developers use it to create payment sessions, monitor transactions, and manage settlement programmatically rather than through Triple-A's own dashboard interfaces. It serves engineering teams at merchants, platforms, and financial institutions building custom integrations on top of Triple A's infrastructure.

Artemis Sheets implements spreadsheet plugins for Excel and Google Sheets that connect to on-chain data. The system delivers customizable crypto metrics using =ART() functions while maintaining compatibility with standard spreadsheet operations.

Belong SDK provides developers with APIs and tools to integrate NFT-based token gating and access management into applications. The framework supports multichain functionality, gasless minting, and verification of NFT access credentials across supported networks while offering comprehensive error handling and security features.

Sentism Telegram Mini App provides users with an integrated DeFi interface within Telegram for launching tokens, optimizing yields, and managing AI-powered operations through a mobile-first chat application.

Drops Airdrop Tracker monitors wallet addresses across multiple blockchain networks to identify unclaimed cryptocurrency airdrops, providing eligibility checks and Telegram notifications. The platform tracks airdrops on Ethereum, Solana, Cosmos, Aptos, Sui, Starknet, Bitcoin, and TON without requiring wallet connections.

Metaplex Bubblegum v2 is an enhanced compressed NFT architecture with improved concurrent Merkle tree structures, enabling optimized digital asset creation with advanced indexing capabilities. The system provides upgraded compression algorithms and enhanced verification mechanisms for large-scale NFT deployment across enterprise applications. It is designed for enterprise applications, enabling mass creation of digital assets across RWAs, AI, gaming, and other use cases

Thoth functions as a security toolkit for Cairo and Starknet, providing bytecode analysis, disassembly, and decompilation capabilities for smart contract review. The tool enables security teams to inspect low-level code execution and identify potential vulnerabilities in deployed contracts.

Sedge is a one-click setup tool for PoS network/chain validators and nodes that helps with the configuration and deployment of validators for Ethereum and other networks.

Bee-js is a JavaScript library that provides developers with APIs to interact with the Swarm network, enabling decentralized application development with minimal code.

Oobit Plug & Pay SDK is a white-labeled developer toolkit that lets crypto wallets and exchanges embed real-world spending capability into their own applications. It connects self-custody wallets or exchange balances to merchant payment rails, handling identity verification, card issuance and activation, and fiat settlement on the wallet's behalf. Cards issued through the toolkit appear with the wallet's own branding and can be added to major mobile payment wallets for use at Visa-accepting merchants worldwide.

TACo is a decentralized cryptographic infrastructure layer that enforces access control policies over sensitive data using independently-controlled nodes and threshold cryptography.

DART is a blockchain-based lien and eNote registry system that tracks ownership of notes, liens, and collateral in real-time. The system uses Provenance Blockchain to automatically update loan ownership and registration information, providing investors and lenders with operational efficiency and verifiable ownership records.

Odos API provides programmatic access to the Odos Smart Order Routing infrastructure for developers and protocol integrators. The API suite includes a Smart Order Router (SOR) API that identifies optimal token swap paths across integrated liquidity sources, a Token Pricing API for real-time DeFi asset price data, Liquidity Zaps for automating single-asset deposits and withdrawals into liquidity pools, and a Path Visualization API for generating Sankey diagrams of trade routes. A free public tier and a dedicated Enterprise tier with higher rate limits and dedicated infrastructure are available.

AVNU Paymaster is a developer tool that enables gas fee flexibility on Starknet, allowing users to pay gas in any supported token or enabling developers to fully sponsor user transactions. It removes onboarding friction by eliminating the requirement to hold native tokens.

Dojo Engine implements a provable game engine through Cairo smart contracts, enabling fast onchain game development with built-in components for state management and game logic.

Stablecoin Orchestration APIs provide programmatic access to M0 liquidity networks through standardized interfaces, enabling stablecoin minting and redemption. The system connects to multiple issuers while automating transaction monitoring and settlement.

CoinPay API Integration provides developers with programmatic access to CoinPay's payment and cryptocurrency services through API endpoints. The integration enables businesses to incorporate CoinPay's functionality into their own applications and platforms.

A developer API suite enabling cryptocurrency payment integration into third-party applications through exchange rate estimation endpoints, embeddable web widgets, and React SDK components. The Exchange API calculates crypto-to-fiat conversions with all fees included, while the React SDK provides native interface components for seamless transaction flows within web applications.

Cross-Chain NFT allows non-fungible tokens to transfer between blockchain networks while preserving uniqueness, metadata, and provenance. The platform maintains consistent NFT attributes and ownership history across chains using burn-and-mint mechanisms without wrapped versions. Users mint ERC721-compatible NFTs with cross-chain functionality through MessageClient integration.

Noah AI is a no-code platform for building and deploying blockchain applications and smart contracts using AI. Users describe an application in plain text and Noah AI generates a full-stack DApp including frontend interfaces, backend APIs, smart contracts, and deployment configuration. Features include automated contract testing, vulnerability detection, AI-generated audit reports, and one-click deployment to testnet or mainnet on EVM-compatible chains and Solana. Pre-built integrations are available for protocols including Raydium, Jupiter, and Pump.fun.

Capture is a Web3 media management platform for creating, registering, and monetizing digital content with on-chain provenance on the Numbers network. It provides a mobile camera application for recording media directly to the Numbers Blockchain, a dashboard for managing authenticated digital assets, and a developer SDK for integrating provenance features into applications. An embeddable widget, Capture Eye, enables web publishers to display content credentials and support direct media purchases.

Validator Gateway is an infrastructure tool for blockchain validators that reduces latency between validator nodes and MEV relays. It connects validators to optimized network paths and integrates with MEV-Boost workflows, including a Proposer-MEV Protect feature that captures additional MEV value while applying compliance filters to incoming order flow. Validators use it to improve consensus and execution layer rewards through custom timing parameters and higher-quality block proposals.

Gateway is a transaction optimization and delivery platform for Solana that enables developers to optimize priority fees, select delivery methods, and monitor transactions in real-time. The system processes raw transaction payloads through configurable optimization parameters including compute unit pricing, delivery method selection via RPC providers, Jito bundles, Triton Cascade, and Paladin, with dynamic parameter adjustment through an observability dashboard without code redeployment.

Streamflow SDK is a developer toolkit that lets applications integrate programmable payment and distribution features directly into their own software. It exposes libraries for creating and managing token vesting, streaming payments, and distribution contracts without building the underlying logic from scratch. Developers use it to embed Streamflow's onchain distribution mechanics into custom applications and services.

A REST API that converts queries into live endpoints for seamless data integration, enabling automated data extraction and analysis. The API supports pagination, filtering, sorting, and sampling capabilities with DuckDB integration for enhanced performance and real-time blockchain analytics.

An Ethereum Virtual Machine smart contract deployed on Solana that processes EVM-compatible transactions according to Ethereum rules, enabling parallel execution through Solana's runtime. The system accepts Ethereum-like transactions via Web3 API, converts them through Neon Proxy operators, and executes them on Solana while maintaining full compatibility with Solidity development tools and ERC-20 token standards.

LunarCrush MCP Server enables AI models to access real-time social and market data through Model Context Protocol integration, providing social intelligence for financial AI applications.

Dynamic SDK is a wallet infrastructure platform that lets applications embed self-custody and server-managed wallets, connect external wallets, and accept stablecoin payments. It provides authentication through email, social login, and external wallets, key management via threshold signature schemes, and smart account features for gas sponsorship and approval logic. Developers use it to onboard users, manage compliance and fraud controls, and move funds across multiple blockchains without building wallet infrastructure from scratch. The platform also supports global wallets that operate across multiple partner applications and programmatic server wallets for automated signing.

StarknetKit is a developer toolkit that lets applications integrate Starknet wallet connections, including an embedded web wallet that onboards users with only an email address. It provides session keys for automated transaction signing, paymaster support for customizable or sponsored gas fees, and multicall functionality to bundle several transactions into one signature. Developers use it to connect decentralized applications to Ready and other Starknet wallets without requiring downloads or seed phrase management.

Lightspark SDK provides developers with APIs and libraries for Lightning Network integration across multiple programming languages. The toolkit enables businesses to build Bitcoin payment functionality into applications without managing Lightning infrastructure directly.

Rio Developer APIs provide powerful and flexible integration tools with ISO 27001 compliance, enabling companies to build custom stablecoin conversion experiences through accessible documentation and dedicated support.

ChangeHero API implements programmatic cryptocurrency exchange functionality for integration into third-party platforms, wallets, and applications. The API provides access to swap infrastructure, rate optimization algorithms, and multi-exchange liquidity aggregation through RESTful endpoints. Partners can configure custom fee structures and utilize multiple API keys with independent commission parameters.

TradePort NFT Trading SDK is a TypeScript library that enables developers to integrate NFT trading functionality into applications through programmatic transaction creation. The SDK supports buying, selling, sweeping, listing, bidding, instant selling, and transferring NFTs across marketplaces with automated transaction payload generation. Currently supports Aptos and Sui blockchain networks with cross-marketplace liquidity aggregation.

CoinRemitter is a merchant payment gateway that lets businesses accept cryptocurrency payments for goods, services, and donations. It processes payments through hosted wallets with automated forwarding to merchant-specified addresses, notifying merchants of activity via webhooks. Merchants integrate it through a REST API, open-source plugins for popular e-commerce and web platforms, or embeddable tools such as invoicing, pricing tables, presale campaigns, payment buttons, and hosted payment pages. It supports transactions across multiple blockchains and stablecoins.

Berachain Faucet is a testnet token distribution tool for the Berachain network, providing developers and users with testnet tokens for application development and testing.

A cross-chain development toolkit that lets developers create wallet addresses and handle signing requests across multiple blockchain networks, using distributed MPC for security.

AIXBT CLI is a command-line tool for accessing the AIXBT crypto market intelligence API from a terminal environment. It provides commands to query project rankings, signals, momentum data, and market grounding snapshots. A built-in recipe engine allows users to define declarative pipelines that fetch, filter, and analyze data automatically. The CLI supports multiple access modes including API keys, pay-per-use via x402, and a free delayed tier, and can integrate with or spawn AI agents for automated analysis.

Python framework for building selective blockchain indexers. Includes code generation, ORM integration, and multiple datasource support with TimescaleDB and GraphQL integration.

Fonbnk Server-to-Server API is a developer tooling product that lets businesses integrate on-ramp and off-ramp crypto conversion directly into their own applications. Developers authenticate through the merchant dashboard, sign requests, and call endpoints to create orders, check statuses, and receive webhook notifications as transactions progress. It exposes the same underlying mobile-money-to-stablecoin conversion logic as the Pay Widget but without a hosted user interface, allowing wallets and platforms to build custom flows.

MB API implements cryptocurrency trading and market data access through programmatic interfaces, enabling automated trading strategies and system integration. The API provides both data endpoints and transaction execution capabilities for developers.

dLocal Crypto API is a developer tooling offering that provides SDKs and API access for integrating stablecoin payment processing into applications. It connects digital asset flows with local payment methods, letting developers route stablecoin transactions into fiat-based payins and payouts across emerging markets. The API is documented for merchants and platforms building crypto-linked payment integrations.

dTWAP Protocol is a decentralized time-weighted average price protocol enabling algorithmic order execution by splitting large trades into smaller intervals. The system operates through maker-taker dynamics with Orbs validators serving as takers, executing trades at specified intervals to minimize market impact and reduce slippage.

Gear IDEA is a web-based IDE for developing, testing, and deploying smart contract programs on Vara Network. It provides a browser-based environment for writing Rust-based programs that compile to WebAssembly and deploy directly to the Vara blockchain.

The Hop JavaScript SDK (@hop-protocol/sdk) provides programmatic access to Hop Protocol bridge functionality, enabling developers to integrate cross-chain token transfers into applications. The SDK handles fee calculation, transaction construction, and AMM interactions across all Hop-supported networks and tokens, with npm distribution and a full API reference.

Infinex Connect implements SDK and integration framework enabling third-party dapps to access Infinex Account functionality through standardized interfaces. The system provides SSO-style authentication, policy-based transaction signing, and cross-chain balance access for connected applications.

Grid provides programmable payment APIs built on stablecoin infrastructure, enabling developers to deploy financial applications with global reach. The system offers smart account creation, payment processing, "smart transactions" that utilize conditional logic on-chain for automated execution, and yield management modules for building fintech services on blockchain networks.

Messari AI Toolkit is a set of developer APIs providing crypto-specific AI capabilities for building applications in the digital asset space. It offers an OpenAI-compatible chat completions interface backed by extensive crypto market data, research, and news, allowing developers to integrate source-grounded AI responses into their own products. The toolkit supports automated research, news summarization, and trend analysis, and is accessible on an early access basis.

Cartridge VRF provides atomic, verifiable randomness through cryptographic proofs for onchain games on Starknet. The system processes VRF requests and responses within single transactions using Stark curve verification and Poseidon hashing, enabling synchronous random value generation without multi-transaction delays.