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Hgraph

Hgraph

Hgraph, Inc.

Best for Hedera mirror node REST, GraphQL and JSON-RPC under one API key

Chains
Ethereum Base Arbitrum Polygon BNB Chain Avalanche Hedera
Price
Free: 250K requests/month at 1 req/sec, no card; Essential $15.30/mo, Developer $42.50/mo, Team $297.50/mo (billed annually); Premium from $1,275/mo
License
Proprietary

Hosted Hedera data and RPC: the mirror node REST API, a GraphQL API with WebSocket subscriptions and Hedera JSON-RPC (through the Hiero relay, so a subset of Ethereum methods), plus plain EVM JSON-RPC on about 20 other chains. One key covers every API and network. Free accounts get 250K requests a month at 1 request per second with no card; paid plans run $15.30 to $297.50 a month billed annually, with an SLA only on Premium. Indexed data is Hedera-first; its Ethereum data is in beta.

Catch Free plan is 1 request/second; indexed data is Hedera-only (Ethereum in beta)

Visit Hgraph Checked Oct 22, 2026 against the maker's page for Hgraph (price and verdict source)

What Hgraph does

Confirmed on Hgraph, Inc.'s own pages. Not listed means not confirmed yet.

RPC

Nodes

Extras

Plans

Chain support, with sources

We only add a chain when the maker's own docs name it. "EVM-compatible" alone counts for no specific chain. A testnet-only record means the page we checked only shows testnet; it isn't a finding that mainnet is unsupported. This is what the docs say, not a test or security review.

Common questions about Hgraph

Which blockchains does Hgraph support?
The maker's docs name mainnet support for Ethereum, Base, Arbitrum, Polygon, BNB Chain, Avalanche, Hedera. Every chain links to the maker's own page above.
How much does Hgraph cost?
Free: 250K requests/month at 1 req/sec, no card; Essential $15.30/mo, Developer $42.50/mo, Team $297.50/mo (billed annually); Premium from $1,275/mo.
Is Hgraph open source?
No, it's proprietary.

Docs: docs.hgraph.com

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