Blog | OverBlock.io

Integrating Bitcoin Fee Estimation into a Wallet: Step-by-Step

How to integrate accurate Bitcoin fee estimation into a wallet - SSE updates, per-txType estimates, and RBF UI patterns.

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What building a custom blockchain indexer really involves: components, realistic timelines, reorg handling, and when to use a managed service.

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PAYG vs subscription pricing for blockchain APIs - cost scenarios, decision matrix, and how per-app billing works.

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Bitcoin RPC vs indexed API - which layer fits your use case. Stack overview and decision framework.

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Bitcoin mempool fee spikes explained - causes, how to handle them in production, and why multi-source aggregation matters.

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Self-hosted blockchain indexer vs managed service: a realistic comparison of time, cost, and maintenance burden. When each approach makes sense.

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How EIP-1559 gas fees work across Ethereum, Polygon, and BSC. baseFee prediction, maxFeePerGas calculation, stuck tx recovery, and common mistakes.

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Practical guide to backfilling a Bitcoin indexer - comparing JSON-RPC polling, self-hosted nodes, and managed streaming. Time and cost estimates.

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Complete developer guide to Bitcoin fee estimation: sat/vB basics, RBF replacement, CPFP acceleration, and optimizing a batch of transactions.

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gRPC vs JSON-RPC for Bitcoin block data. Performance numbers, MessagePack vs JSON, and when each approach makes sense for blockchain indexers.

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Bitcoin fees explained - estimation, spikes, and how to use the OverBlock fee data API.

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