Api3 vs Chainstack

How Api3 vs Chainstack compare on our ratings, infrastructure provider specs, funding, pros and cons.

Api33.7/5
VS
Feature
Ratings
Our score3.7/54.3/5
User ratingNo reviews yetNo reviews yet
Reliability3.54.5
Chain coverage4.04.5
Pricing4.04.0
Developer experience4.04.5
Support3.04.0
Specs
ServicesOracleRPC / nodes, Indexing
Chains supported1970
Free tierNot disclosed Yes
Pricing fromNot disclosed$49/month
Enterprise SLANot disclosed Yes
Open source YesNot disclosed
TokenAPI3Not disclosed
Uptime SLANot disclosed99.99%
Free tier limitsNot disclosed3M request units/month, up to 25 RPS
Server regionsNot disclosed10+ global data centers
Company
Founded20202018
Headquarters—Singapore
InvestorsAccomplice, Buck Stash, Cashican People LLC, CoinFund +8Not disclosed
Strengths and weaknesses
Pros
  • Uses first-party oracles operated directly by API providers
  • Returned over $416,000 in captured OEV rewards to protocols as of October 2026
  • Open-source smart contract code with audit reports available on GitHub
  • Broad network coverage deployed across more than 15 EVM blockchains
  • 70+ supported chains, including Ethereum, Solana, Bitcoin and X Layer
  • Free tier includes 3 million monthly request units
  • Global Nodes route requests across 10+ data centers
  • Self-Hosted keeps node deployment on customer-owned infrastructure
Cons
  • Total value secured remains under $15 million as of October 2026
  • Protocol governance is tied to the API3 token
  • Paid plans begin at $49 per month after the free tier
  • Managed endpoints create dependence on Chainstack routing and node operations
  • Dedicated Nodes start at $678 per month
  • Global routing can add infrastructure and provider concentration risk
Best forLending protocols minimizing MEV leakage, Developers needing source-signed data feeds, Autonomous agents purchasing API dataMultichain application teams, RPC-heavy trading systems, Enterprise blockchain infrastructure

Highlighted cells show the stronger value in each row. Data comes from each provider's site and public sources; check details before you sign up.

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