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Data & indexing · last verified 2026-09-16

Blockscout PRO API (Universal/multichain)

blockscout.com/ ↗ JSON record
Data & indexing free · key SVM / Solana Avalanche L1 EVM verified
Access model (raw)

free-with-key | open-source-self-host

Free tier

Free: 100K credits/day, 5 RPS, no card, all supported chains from day one

Rate limit

Free 5 RPS; $49 plan 15 RPS; $199 plan 30 RPS; Enterprise custom

Paid from

$49/mo (100M credits, 15 RPS); $199/mo (500M credits, 30 RPS)

Pricing unit

credits per call (20 credits typical); up to 50 API keys per account

Chains

100-120+ chains with one key (dev.blockscout.com). Official explorer for Robinhood Chain (4663). Avalanche C-Chain hosting by Blockscout not confirmed (chains.blockscout.com list is client-rendered); many Avalanche L1s run Blockscout instances. 2026-09-06: chains.blockscout.com API (745 entries) lists Robinhood Chain mainnet + testnet and 6 Avalanche L1 mainnets (Step, Apertum, DOS, Numine, PLYR PHI, GUNZ) but no Avalanche C-Chain (43114) entry; Solana only via EVM-compatible chains (Neon, Velas). PRO API per-chain coverage still at dev.blockscout.com (client-rendered).

Promos

—

Evidence freshness

fresh · last checked 2026-09-16

Chain families

svm evm.avalanche-l1 evm

Capabilities
  • contract source/verification/ABI
  • Etherscan-compatible + REST + GraphQL
  • token/NFT/tx APIs
  • raw block/log fetch
Pricing page

docs.blockscout.com/devs/pro-api

Sourcesdocs.blockscout.com/devs/pro-apidocs.blockscout.com/devs/apisblog.blockscout.com/build-on-robinhood-chain-with-the-blocksblog.blockscout.com/blockscout-vs-etherscan-api-free-tier-prchains.blockscout.com/api/chains

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