Credits

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What Are Credits?

Credits are the measurement unit for API usage on Helius. Each API call consumes a specific number of credits based on its complexity and resource requirements. Your subscription plan includes a set number of credits per month, and you can add more if needed.

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Credit Costs By Service

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Standard RPC Calls

Most standard RPC calls cost 1 credit per call, with these exceptions:

• Higher Complexity Calls

  • getProgramAccounts: 10 credits

• Archival Calls (10 credits each)

  • getTransaction
  • getBlock
  • getBlocks
  • getInflationReward
  • getSignaturesForAddress
  • getBlockTime

• Transaction Submission

  • Via https://mainnet.helius-rpc.com: 1 credit
  • Via https://staked.helius-rpc.com: 50 credits

• Priority Fee API: 1 credit

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Digital Asset Standard (DAS) API

All DAS calls cost 10 credits each:

• getAsset
• getAssetProof
• getAssetsByOwner
• getAssetsByAuthority
• getAssetsByCreator
• getAssetsByGroup
• searchAssets
• getSignaturesForAsset
• getTokenAccounts
• getNFTEditions

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ZK Compression API

• Standard ZK Compression Calls: 10 credits
• getValidityProofs: 100 credits (due to higher computation)

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Webhooks

• Webhook Event Delivery: 1 credit per event push
• Webhook Management via API: 100 credits

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Enhanced Transactions API

• Enhanced Transactions API: 100 credits per call

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Adding More Credits

If you run out of credits during your billing cycle, you have two options:

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Crypto Payment Plans

Purchase prepaid credits directly from your Helius Dashboard:

• Credits activate immediately and never expire
• Available by clicking the Buy More Credits button

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Card Payment Plans

Enable autoscaling in your Project Settings:

• Automatically adds credits as needed
• Set limits to control spending