Open source focus
Open Source Alternatives to Polygonapi
60 open source API Platform options similar to Polygonapi, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Each profile notes license and self-hosting where we have it.
Alchemy76BlockchainSan Francisco, United States$450.0MOpen source
QuickNode69BlockchainMiami, United States$95.0MOpen source
Infura15BlockchainBrooklyn, United StatesOpen source
Monad Labs62BlockchainNew York, United States$266.0MOpen source
Connext54Fintech$12.0MOpen source
Tweed54FintechNew York, United States$4.0MOpen source
- RARated Labs54Web3London, United Kingdom$2.5M
Open source
The Graph53Web3San Francisco, United StatesOpen source
Fhenix53BlockchainNew York, United States$22.0MOpen source
Horizon Blockchain Games47FintechToronto, Canada$10.0MOpen source
Blockmesh Network31BlockchainIsrael, IsraelOpen source · Self-hostable
Faremeter22FintechOpen source · Self-hostable
GembascanBlockchainOpen source · Self-hostable
Polygon81BlockchainMumbai, India$400.0MOpen source
StarkWare73BlockchainTel Aviv, Israel$180.0MOpen source
Mysten Labs64Web3Menlo Park, United States$351.0MOpen source
thirdweb62Web3San Francisco, United States$29.0MOpen source
Near58BlockchainZug, Switzerland$1.1BOpen source
ConsenSys (Infura)54Web3San Francisco, United States$221.0MOpen source
Kima50BlockchainTel Aviv, Israel$6.7MOpen source
- SUSuperfluid Foundation49FintechZug, Switzerland$28.2M
Open source · Self-hostable
io.finnet47FintechTel Aviv, IsraelOpen source
Thena AI47FintechSingapore, Singapore$10.1MOpen source
Cred Protocol45FintechSan Francisco, United StatesOpen source
Lava Network43BlockchainWilmington, United States$27.0MOpen source
RedStone43Web3Warsaw, PolandOpen source
Hermes Protocol41Web3Open source
Arrakis Finance41FintechOpen source
Tryledger21FintechOpen source
Clawpump19BlockchainOpen source
PayAI15FintechOpen source
- GIGizmolab12Web3Toronto, Canada
Open source
- ATAtoZ Labs11Blockchain
Open source · Self-hostable
Rei Labs10Web3Singapore, SingaporeOpen source
x402scan10FintechOpen source · Self-hostable
- X4x402.org10EdTech
Open source
- 0X0xWork10Web3
Open source
- LOLobster.cash9Fintech
Open source
CodeNut7Web3 DevelopmentOpen source
Forgemesh6API PlatformSan Francisco, United StatesOpen source
DusthubFintechOpen source
VeritasforgeBlockchainLondon, EnglandOpen source
OpenkmsFintechOpen source
- Agentx402Agentic AISan Francisco, United States
Open source
- TokensightFintechTel Aviv, Israel
Open source
Obscura Ephermeral ClubAI InfrastructureOpen source
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
Stripe, Inc.72BillingSouth San Francisco, United States$11.4BOpen source
Tecton, Inc.67MLOpsSan Francisco, United States$257.0MOpen source
Alpaca67FintechNew York, United States$202.0MOpen source
OpenSea64FintechNew York, United States$423.0MOpen source
Airweave63Agentic AISan Francisco, United States$6.0MOpen source · Self-hostable
Weights & Biases (W&B)63MLOpsSan Francisco, United States$521.0MOpen source
CertiK63Web3New York, United States$241.5MOpen source
XMTP63AISan Francisco, United States$49.9MOpen source
Arbitrum62FintechNew York, United States$143.7MOpen source
Sei62BlockchainSan Francisco, United States$35.0MOpen source
Comet ML62MLOpsNew York, United States$69.8MOpen source
Solana61BlockchainSan Francisco, United States$195.5MOpen source
Komodor61Software DevelopmentTel Aviv, Israel$67.0MOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Alchemy | Blockchain | Open source | San Francisco, United States | $450.0M | 76 | |
| QuickNode | Blockchain | Open source | Miami, United States | $95.0M | 69 | |
| Infura | Blockchain | Open source | Brooklyn, United States | — | 15 | |
| Monad Labs | Blockchain | Open source | New York, United States | $266.0M | 62 | |
| Connext | Fintech | Open source | — | $12.0M | 54 | |
| Tweed | Fintech | Open source | New York, United States | $4.0M | 54 | |
| RARated Labs | Web3 | Open source | London, United Kingdom | $2.5M | 54 | |
| The Graph | Web3 | Open source | San Francisco, United States | — | 53 | |
| Fhenix | Blockchain | Open source | New York, United States | $22.0M | 53 | |
| Horizon Blockchain Games | Fintech | Open source | Toronto, Canada | $10.0M | 47 | |
| Blockmesh Network | Blockchain | Open source · Self-hostable | Israel, Israel | — | 31 | |
| Faremeter | Fintech | Open source · Self-hostable | — | — | 22 | |
| Gembascan | Blockchain | Open source · Self-hostable | — | — | — | |
| Polygon | Blockchain | Open source | Mumbai, India | $400.0M | 81 | |
| StarkWare | Blockchain | Open source | Tel Aviv, Israel | $180.0M | 73 | |
| Mysten Labs | Web3 | Open source | Menlo Park, United States | $351.0M | 64 | |
| thirdweb | Web3 | Open source | San Francisco, United States | $29.0M | 62 | |
| Near | Blockchain | Open source | Zug, Switzerland | $1.1B | 58 | |
| ConsenSys (Infura) | Web3 | Open source | San Francisco, United States | $221.0M | 54 | |
| Kima | Blockchain | Open source | Tel Aviv, Israel | $6.7M | 50 | |
| SUSuperfluid Foundation | Fintech | Open source · Self-hostable | Zug, Switzerland | $28.2M | 49 | |
| io.finnet | Fintech | Open source | Tel Aviv, Israel | — | 47 | |
| Thena AI | Fintech | Open source | Singapore, Singapore | $10.1M | 47 | |
| Cred Protocol | Fintech | Open source | San Francisco, United States | — | 45 | |
| Lava Network | Blockchain | Open source | Wilmington, United States | $27.0M | 43 | |
| RedStone | Web3 | Open source | Warsaw, Poland | — | 43 | |
| Hermes Protocol | Web3 | Open source | — | — | 41 | |
| Arrakis Finance | Fintech | Open source | — | — | 41 | |
| Tryledger | Fintech | Open source | — | — | 21 | |
| Clawpump | Blockchain | Open source | — | — | 19 | |
| PayAI | Fintech | Open source | — | — | 15 | |
| GIGizmolab | Web3 | Open source | Toronto, Canada | — | 12 | |
| ATAtoZ Labs | Blockchain | Open source · Self-hostable | — | — | 11 | |
| Rei Labs | Web3 | Open source | Singapore, Singapore | — | 10 | |
| x402scan | Fintech | Open source · Self-hostable | — | — | 10 | |
| X4x402.org | EdTech | Open source | — | — | 10 | |
| 0X0xWork | Web3 | Open source | — | — | 10 | |
| LOLobster.cash | Fintech | Open source | — | — | 9 | |
| CodeNut | Web3 Development | Open source | — | — | 7 | |
| Forgemesh | API Platform | Open source | San Francisco, United States | — | 6 | |
| Dusthub | Fintech | Open source | — | — | — | |
| Veritasforge | Blockchain | Open source | London, England | — | — | |
| Openkms | Fintech | Open source | — | — | — | |
| Agentic AI | Open source | San Francisco, United States | — | — | ||
| Fintech | Open source | Tel Aviv, Israel | — | — | ||
| Obscura Ephermeral Club | AI Infrastructure | Open source | — | — | — | |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 | |
| Stripe, Inc. | Billing | Open source | South San Francisco, United States | $11.4B | 72 | |
| Tecton, Inc. | MLOps | Open source | San Francisco, United States | $257.0M | 67 | |
| Alpaca | Fintech | Open source | New York, United States | $202.0M | 67 | |
| OpenSea | Fintech | Open source | New York, United States | $423.0M | 64 | |
| Airweave | Agentic AI | Open source · Self-hostable | San Francisco, United States | $6.0M | 63 | |
| Weights & Biases (W&B) | MLOps | Open source | San Francisco, United States | $521.0M | 63 | |
| CertiK | Web3 | Open source | New York, United States | $241.5M | 63 | |
| XMTP | AI | Open source | San Francisco, United States | $49.9M | 63 | |
| Arbitrum | Fintech | Open source | New York, United States | $143.7M | 62 | |
| Sei | Blockchain | Open source | San Francisco, United States | $35.0M | 62 | |
| Comet ML | MLOps | Open source | New York, United States | $69.8M | 62 | |
| Solana | Blockchain | Open source | San Francisco, United States | $195.5M | 61 | |
| Komodor | Software Development | Open source | Tel Aviv, Israel | $67.0M | 61 |