# Top 10 Crypto APIs Alternatives & Competitors **Average Rating:** 4.4/5 **Total Number of Reviews:** 18 Crypto APIs is not the only option for Blockchain as a Service Providers. Explore other competing options and alternatives. Other important factors to consider when researching alternatives to Crypto APIs include user interface. The best overall Crypto APIs alternative is Quicknode. Other similar apps like Crypto APIs are Kaleido, Ethereum, Alchemy, and Venly. Crypto APIs alternatives can be found in [Blockchain as a Service Providers](https://www.g2.com/categories/blockchain-as-a-service) but may also be in [Blockchain Platforms](https://www.g2.com/categories/blockchain-platforms) or [NFT Platforms](https://www.g2.com/categories/nft-platforms). ## Best Paid & Free Alternatives to Crypto APIs - [Quicknode](https://www.g2.com/products/quicknode/reviews) - [Kaleido](https://www.g2.com/products/kaleido-kaleido/reviews) - [Ethereum](https://www.g2.com/products/ethereum/reviews) - [Alchemy](https://www.g2.com/products/alchemy/reviews) - [Venly](https://www.g2.com/products/venly/reviews) - [Chainstack](https://www.g2.com/products/chainstack/reviews) - [POK - Proof of Knowledge](https://www.g2.com/products/pok-proof-of-knowledge/reviews) - [Blockstream](https://www.g2.com/products/blockstream/reviews) - [TransferChain](https://www.g2.com/products/transferchain/reviews) - [Corda](https://www.g2.com/products/corda/reviews) ## Top 10 Alternatives to Crypto APIs Recently Reviewed By G2 Community Browse options below. Based on reviewer data, you can see how Crypto APIs stacks up to the competition, check reviews from current & previous users in industries like Computer Software, Information Technology and Services, and Staffing and Recruiting, and find the best product for your business. ### 1. [Quicknode](https://www.g2.com/products/quicknode/reviews) By Quicknode **Average Rating:** 4.5/5 **Total Reviews:** 92 Quicknode powers high-performance blockchain teams with enterprise-grade infrastructure and a complete platform for onchain development. We deliver fast, reliable access to 70+ chains with 99.99% uptime, helping builders ship products at scale without compromise. Trusted by industry leaders, QuickNode accelerates development with a unified suite of tools for RPC, real-time data, automation, and analytics. From startups to global enterprises, teams choose QuickNode for consistent performance, proven reliability, and a platform built for growth. Reviewers say compared to Crypto APIs, Quicknode is: - Better at support Categories in common with Crypto APIs: [Blockchain as a Service](https://www.g2.com/categories/blockchain-as-a-service) **Compare:** [Crypto APIs vs Quicknode](https://www.g2.com/compare/crypto-apis-vs-quicknode) **Compare Quicknode with other alternatives:** - [Quicknode vs Kaleido](https://www.g2.com/compare/kaleido-kaleido-vs-quicknode) - [Quicknode vs Ethereum](https://www.g2.com/compare/ethereum-vs-quicknode) - [Quicknode vs Alchemy](https://www.g2.com/compare/alchemy-vs-quicknode) - [Quicknode vs Venly](https://www.g2.com/compare/quicknode-vs-venly) - [Quicknode vs Chainstack](https://www.g2.com/compare/chainstack-vs-quicknode) - [Quicknode vs POK - Proof of Knowledge](https://www.g2.com/compare/pok-proof-of-knowledge-vs-quicknode) - [Quicknode vs Blockstream](https://www.g2.com/compare/blockstream-vs-quicknode) - [Quicknode vs TransferChain](https://www.g2.com/compare/quicknode-vs-transferchain) - [Quicknode vs Corda](https://www.g2.com/compare/corda-vs-quicknode) ### 2. [Kaleido](https://www.g2.com/products/kaleido-kaleido/reviews) By Kaleido **Average Rating:** 4.8/5 **Total Reviews:** 24 Kaleido is a truly complete Web3 platform that makes it easy to build enterprise-grade blockchain and digital asset solutions. Reviewers say compared to Crypto APIs, Kaleido is: - Better at support - Better at meeting requirements - More usable Categories in common with Crypto APIs: [Blockchain as a Service](https://www.g2.com/categories/blockchain-as-a-service), [Blockchain Platforms](https://www.g2.com/categories/blockchain-platforms) **Compare:** [Crypto APIs vs Kaleido](https://www.g2.com/compare/crypto-apis-vs-kaleido-kaleido) **Compare Kaleido with other alternatives:** - [Kaleido vs Quicknode](https://www.g2.com/compare/kaleido-kaleido-vs-quicknode) - [Kaleido vs Ethereum](https://www.g2.com/compare/ethereum-vs-kaleido-kaleido) - [Kaleido vs Alchemy](https://www.g2.com/compare/alchemy-vs-kaleido-kaleido) - [Kaleido vs Venly](https://www.g2.com/compare/kaleido-kaleido-vs-venly) - [Kaleido vs Chainstack](https://www.g2.com/compare/chainstack-vs-kaleido-kaleido) - [Kaleido vs POK - Proof of Knowledge](https://www.g2.com/compare/kaleido-kaleido-vs-pok-proof-of-knowledge) - [Kaleido vs Blockstream](https://www.g2.com/compare/blockstream-vs-kaleido-kaleido) - [Kaleido vs TransferChain](https://www.g2.com/compare/kaleido-kaleido-vs-transferchain) - [Kaleido vs Corda](https://www.g2.com/compare/corda-vs-kaleido-kaleido) ### 3. [Ethereum](https://www.g2.com/products/ethereum/reviews) By Ethereum Project **Average Rating:** 4.3/5 **Total Reviews:** 41 Ethereum is a platform and a programming language that makes it possible for any developer to build and publish next-generation decentralized applications. Categories in common with Crypto APIs: [Blockchain Platforms](https://www.g2.com/categories/blockchain-platforms) **Compare:** [Crypto APIs vs Ethereum](https://www.g2.com/compare/crypto-apis-vs-ethereum) **Compare Ethereum with other alternatives:** - [Ethereum vs Quicknode](https://www.g2.com/compare/ethereum-vs-quicknode) - [Ethereum vs Kaleido](https://www.g2.com/compare/ethereum-vs-kaleido-kaleido) - [Ethereum vs Alchemy](https://www.g2.com/compare/alchemy-vs-ethereum) - [Ethereum vs Venly](https://www.g2.com/compare/ethereum-vs-venly) - [Ethereum vs Chainstack](https://www.g2.com/compare/chainstack-vs-ethereum) - [Ethereum vs POK - Proof of Knowledge](https://www.g2.com/compare/ethereum-vs-pok-proof-of-knowledge) - [Ethereum vs Blockstream](https://www.g2.com/compare/blockstream-vs-ethereum) - [Ethereum vs TransferChain](https://www.g2.com/compare/ethereum-vs-transferchain) - [Ethereum vs Corda](https://www.g2.com/compare/corda-vs-ethereum) ### 4. [Alchemy](https://www.g2.com/products/alchemy/reviews) By alchemy **Average Rating:** 4.4/5 **Total Reviews:** 14 Alchemy is a blockchain developer platform and node infrastructure service for Ethereum, Polygon, Flow, Optimism, Arbitrum, and crypto.org. Reviewers say compared to Crypto APIs, Alchemy is: - Better at meeting requirements - More usable Categories in common with Crypto APIs: [Blockchain as a Service](https://www.g2.com/categories/blockchain-as-a-service) **Compare:** [Crypto APIs vs Alchemy](https://www.g2.com/compare/alchemy-vs-crypto-apis) **Compare Alchemy with other alternatives:** - [Alchemy vs Quicknode](https://www.g2.com/compare/alchemy-vs-quicknode) - [Alchemy vs Kaleido](https://www.g2.com/compare/alchemy-vs-kaleido-kaleido) - [Alchemy vs Ethereum](https://www.g2.com/compare/alchemy-vs-ethereum) - [Alchemy vs Venly](https://www.g2.com/compare/alchemy-vs-venly) - [Alchemy vs Chainstack](https://www.g2.com/compare/alchemy-vs-chainstack) - [Alchemy vs POK - Proof of Knowledge](https://www.g2.com/compare/alchemy-vs-pok-proof-of-knowledge) - [Alchemy vs Blockstream](https://www.g2.com/compare/alchemy-vs-blockstream) - [Alchemy vs TransferChain](https://www.g2.com/compare/alchemy-vs-transferchain) - [Alchemy vs Corda](https://www.g2.com/compare/alchemy-vs-corda) ### 5. [Venly](https://www.g2.com/products/venly/reviews) By Venly **Average Rating:** 4.5/5 **Total Reviews:** 37 With Venly NFT Tools, Venly offers the right tools to build fast and securely. From minting tools to a complete asset management system for Unity or even a Shopify NFT app to scale fast. Reviewers say compared to Crypto APIs, Venly is: - Better at support - Better at meeting requirements - More usable Categories in common with Crypto APIs: [Blockchain as a Service](https://www.g2.com/categories/blockchain-as-a-service) **Compare:** [Crypto APIs vs Venly](https://www.g2.com/compare/crypto-apis-vs-venly) **Compare Venly with other alternatives:** - [Venly vs Quicknode](https://www.g2.com/compare/quicknode-vs-venly) - [Venly vs Kaleido](https://www.g2.com/compare/kaleido-kaleido-vs-venly) - [Venly vs Ethereum](https://www.g2.com/compare/ethereum-vs-venly) - [Venly vs Alchemy](https://www.g2.com/compare/alchemy-vs-venly) - [Venly vs Chainstack](https://www.g2.com/compare/chainstack-vs-venly) - [Venly vs POK - Proof of Knowledge](https://www.g2.com/compare/pok-proof-of-knowledge-vs-venly) - [Venly vs Blockstream](https://www.g2.com/compare/blockstream-vs-venly) - [Venly vs TransferChain](https://www.g2.com/compare/transferchain-vs-venly) - [Venly vs Corda](https://www.g2.com/compare/corda-vs-venly) ### 6. [Chainstack](https://www.g2.com/products/chainstack/reviews) By Chainstack **Average Rating:** 4.8/5 **Total Reviews:** 29 Chainstack is the fastest way to deploy blockchains in multi-cloud and multi-protocol environments. Reviewers say compared to Crypto APIs, Chainstack is: - Better at support - More usable - Better at meeting requirements Categories in common with Crypto APIs: [Blockchain as a Service](https://www.g2.com/categories/blockchain-as-a-service) **Compare:** [Crypto APIs vs Chainstack](https://www.g2.com/compare/chainstack-vs-crypto-apis) **Compare Chainstack with other alternatives:** - [Chainstack vs Quicknode](https://www.g2.com/compare/chainstack-vs-quicknode) - [Chainstack vs Kaleido](https://www.g2.com/compare/chainstack-vs-kaleido-kaleido) - [Chainstack vs Ethereum](https://www.g2.com/compare/chainstack-vs-ethereum) - [Chainstack vs Alchemy](https://www.g2.com/compare/alchemy-vs-chainstack) - [Chainstack vs Venly](https://www.g2.com/compare/chainstack-vs-venly) - [Chainstack vs POK - Proof of Knowledge](https://www.g2.com/compare/chainstack-vs-pok-proof-of-knowledge) - [Chainstack vs Blockstream](https://www.g2.com/compare/blockstream-vs-chainstack) - [Chainstack vs TransferChain](https://www.g2.com/compare/chainstack-vs-transferchain) - [Chainstack vs Corda](https://www.g2.com/compare/chainstack-vs-corda) ### 7. [POK - Proof of Knowledge](https://www.g2.com/products/pok-proof-of-knowledge/reviews) By POK Proof of Knowledge **Average Rating:** 5.0/5 **Total Reviews:** 38 POK is a platform for issuing verifiable digital credentials as Non-Fungible Tokens (NFTs) on the blockchain. It enables educational institutions, corporations, and organizations to create secure, tamper-proof, and globally verifiable certificates, diplomas, microcredentials, and badges. By leveraging blockchain technology, POK ensures the authenticity and permanence of each credential, providing recipients with true ownership and the ability to share their achievements seamlessly across digital platforms. Key Features and Functionality: - White-Label Customization: Institutions can fully customize the platform to reflect their brand identity, including domains, credential URLs, branding pages, logos, colors, and messaging. This ensures a consistent brand experience across all touchpoints. - Advanced Digital Signatures: Each credential can include an advanced digital signature validated by an authorized individual before issuance, adding a layer of authenticity and legal backing comparable to leading solutions like DocuSign or Adobe Sign. - Blockchain Integration: Credentials are issued as NFTs on public blockchains such as Ethereum and Polygon, ensuring they are immutable, verifiable, and owned by the recipient. - Marketing and Analytics Tools: POK transforms digital credentials into powerful marketing tools by enabling recipients to share their achievements on platforms like LinkedIn, thereby amplifying the institution's reach. Real-time analytics dashboards provide insights into credential interactions, measuring impact, reach, and return on investment. - Seamless Integrations: The platform offers Learning Tools Interoperability (LTI), open APIs, and plug-and-play compatibility with various Learning Management Systems (LMS) such as Moodle, Blackboard, Canvas, Google Classroom, Open edX, and D2L Brightspace, as well as CRMs like Salesforce and HubSpot. - Compliance with Global Standards: POK adheres to international standards including OpenBadge 3.0, the European Learning Model (Europass), and GDPR, ensuring interoperability and data protection. Primary Value and Solutions Provided: POK addresses the need for secure, verifiable, and portable digital credentials in an increasingly digital and globalized world. By issuing credentials as NFTs on the blockchain, POK ensures that each certificate is tamper-proof, permanently verifiable, and owned by the recipient, thereby enhancing trust and credibility. The platform's white-label customization allows institutions to maintain their brand identity, while its marketing and analytics tools help amplify brand reach and measure the impact of their programs. Seamless integrations with existing systems and compliance with global standards make POK a versatile and reliable solution for modern credentialing needs. Reviewers say compared to Crypto APIs, POK - Proof of Knowledge is: - Better at support - More usable - Better at meeting requirements Categories in common with Crypto APIs: [Blockchain Platforms](https://www.g2.com/categories/blockchain-platforms) **Compare:** [Crypto APIs vs POK - Proof of Knowledge](https://www.g2.com/compare/crypto-apis-vs-pok-proof-of-knowledge) **Compare POK - Proof of Knowledge with other alternatives:** - [POK - Proof of Knowledge vs Quicknode](https://www.g2.com/compare/pok-proof-of-knowledge-vs-quicknode) - [POK - Proof of Knowledge vs Kaleido](https://www.g2.com/compare/kaleido-kaleido-vs-pok-proof-of-knowledge) - [POK - Proof of Knowledge vs Ethereum](https://www.g2.com/compare/ethereum-vs-pok-proof-of-knowledge) - [POK - Proof of Knowledge vs Alchemy](https://www.g2.com/compare/alchemy-vs-pok-proof-of-knowledge) - [POK - Proof of Knowledge vs Venly](https://www.g2.com/compare/pok-proof-of-knowledge-vs-venly) - [POK - Proof of Knowledge vs Chainstack](https://www.g2.com/compare/chainstack-vs-pok-proof-of-knowledge) - [POK - Proof of Knowledge vs Blockstream](https://www.g2.com/compare/blockstream-vs-pok-proof-of-knowledge) - [POK - Proof of Knowledge vs TransferChain](https://www.g2.com/compare/pok-proof-of-knowledge-vs-transferchain) - [POK - Proof of Knowledge vs Corda](https://www.g2.com/compare/corda-vs-pok-proof-of-knowledge) ### 8. [Blockstream](https://www.g2.com/products/blockstream/reviews) By Blockstream **Average Rating:** 4.2/5 **Total Reviews:** 16 Blockstream offers Bitcoin and blockchain technology. Reviewers say compared to Crypto APIs, Blockstream is: - Better at meeting requirements - More usable Categories in common with Crypto APIs: [Blockchain as a Service](https://www.g2.com/categories/blockchain-as-a-service), [Blockchain Platforms](https://www.g2.com/categories/blockchain-platforms) **Compare:** [Crypto APIs vs Blockstream](https://www.g2.com/compare/blockstream-vs-crypto-apis) **Compare Blockstream with other alternatives:** - [Blockstream vs Quicknode](https://www.g2.com/compare/blockstream-vs-quicknode) - [Blockstream vs Kaleido](https://www.g2.com/compare/blockstream-vs-kaleido-kaleido) - [Blockstream vs Ethereum](https://www.g2.com/compare/blockstream-vs-ethereum) - [Blockstream vs Alchemy](https://www.g2.com/compare/alchemy-vs-blockstream) - [Blockstream vs Venly](https://www.g2.com/compare/blockstream-vs-venly) - [Blockstream vs Chainstack](https://www.g2.com/compare/blockstream-vs-chainstack) - [Blockstream vs POK - Proof of Knowledge](https://www.g2.com/compare/blockstream-vs-pok-proof-of-knowledge) - [Blockstream vs TransferChain](https://www.g2.com/compare/blockstream-vs-transferchain) - [Blockstream vs Corda](https://www.g2.com/compare/blockstream-vs-corda) ### 9. [TransferChain](https://www.g2.com/products/transferchain/reviews) By TransferChain AG **Average Rating:** 4.7/5 **Total Reviews:** 29 TransferChain provides the safest cloud storage, file transfer, and file request capabilities for businesses - through zero-knowledge encryption, file splitting, distributed cloud architectures, and blockchain authorization. Neither TransferChain nor any unauthorized third parties, be it potential bad actors or data centers, can access the user’s private and confidential information. TransferChain is the most secure and private way to store your sensitive documents and share them externally. Reviewers say compared to Crypto APIs, TransferChain is: - Better at support - Better at meeting requirements Categories in common with Crypto APIs: [Blockchain Platforms](https://www.g2.com/categories/blockchain-platforms) **Compare:** [Crypto APIs vs TransferChain](https://www.g2.com/compare/crypto-apis-vs-transferchain) **Compare TransferChain with other alternatives:** - [TransferChain vs Quicknode](https://www.g2.com/compare/quicknode-vs-transferchain) - [TransferChain vs Kaleido](https://www.g2.com/compare/kaleido-kaleido-vs-transferchain) - [TransferChain vs Ethereum](https://www.g2.com/compare/ethereum-vs-transferchain) - [TransferChain vs Alchemy](https://www.g2.com/compare/alchemy-vs-transferchain) - [TransferChain vs Venly](https://www.g2.com/compare/transferchain-vs-venly) - [TransferChain vs Chainstack](https://www.g2.com/compare/chainstack-vs-transferchain) - [TransferChain vs POK - Proof of Knowledge](https://www.g2.com/compare/pok-proof-of-knowledge-vs-transferchain) - [TransferChain vs Blockstream](https://www.g2.com/compare/blockstream-vs-transferchain) - [TransferChain vs Corda](https://www.g2.com/compare/corda-vs-transferchain) ### 10. [Corda](https://www.g2.com/products/corda/reviews) By Corda **Average Rating:** 4.3/5 **Total Reviews:** 22 Corda is a blockchain and smart contract platform. Categories in common with Crypto APIs: [Blockchain Platforms](https://www.g2.com/categories/blockchain-platforms) **Compare:** [Crypto APIs vs Corda](https://www.g2.com/compare/corda-vs-crypto-apis) **Compare Corda with other alternatives:** - [Corda vs Quicknode](https://www.g2.com/compare/corda-vs-quicknode) - [Corda vs Kaleido](https://www.g2.com/compare/corda-vs-kaleido-kaleido) - [Corda vs Ethereum](https://www.g2.com/compare/corda-vs-ethereum) - [Corda vs Alchemy](https://www.g2.com/compare/alchemy-vs-corda) - [Corda vs Venly](https://www.g2.com/compare/corda-vs-venly) - [Corda vs Chainstack](https://www.g2.com/compare/chainstack-vs-corda) - [Corda vs POK - Proof of Knowledge](https://www.g2.com/compare/corda-vs-pok-proof-of-knowledge) - [Corda vs Blockstream](https://www.g2.com/compare/blockstream-vs-corda) - [Corda vs TransferChain](https://www.g2.com/compare/corda-vs-transferchain) ## Explore Articles - [What is the typical setup time for a secure data room?](https://www.g2.com/discussions/what-is-the-typical-setup-time-for-a-secure-data-room) - [What is the best BIM objects library for Revit families for someone just starting out who needs a reliable source of accurate manufacturer-provided content?](https://www.g2.com/discussions/what-is-the-best-bim-objects-library-for-revit-families-for-someone-just-starting-out-who-needs-a-reliable-source-of-accurate-manufacturer-provided-content) - [Which PLM software manages product data across engineering, supply chain and manufacturing in one place rather than requiring separate tools for each team?](https://www.g2.com/discussions/which-plm-software-manages-product-data-across-engineering-supply-chain-and-manufacturing-in-one-place-rather-than-requiring-separate-tools-for-each-team ) - [Best social media management software for small business](https://www.g2.com/discussions/best-social-media-management-software-for-small-businesses) - [Best software for real-time knowledge base updates](https://www.g2.com/discussions/best-software-for-real-time-knowledge-base-updates) - [What HR service delivery platforms meet SOC 2 and GDPR requirements for a company that handles sensitive employee data and operates across multiple countries?](https://www.g2.com/discussions/what-hr-service-delivery-platforms-meet-soc-2-and-gdpr-requirements-for-a-company-that-handles-sensitive-employee-data-and-operates-across-multiple-countries) ## Spotlight Categories - [Employer of Record (EOR) Software](https://www.g2.com/categories/employer-of-record-eor) - [Managed Detection and Response (MDR) Software](https://www.g2.com/categories/managed-detection-and-response-mdr) - [Digital Asset Management Software](https://www.g2.com/categories/digital-asset-management)