What Is a Blockchain Data API? A Practical Developer Guide
A practical framework for understanding blockchain data APIs, defining the question and evaluating the records behind an answer.
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Blockchain data.
Worth understanding.
Practical guides to blockchain APIs, wallet data and the evidence behind a useful answer. Clear concepts, worked examples and better questions for your next integration.
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What Is a Blockchain Data API? A Practical Developer Guide
A practical framework for understanding blockchain data APIs, defining the question and evaluating the records behind an answer.
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API fundamentals
Understand the interfaces, questions and contracts behind a blockchain integration.
Blockchain RPC vs Indexed Data APIs: Which Interface Fits?
Compare a method-level network question with a record-oriented application query, then choose around the workflow you need.
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Wallet data
Explore activity over a range and holdings at a precise historical point.
Wallet Transaction History: Transfers, Fees and Missing Records
How to turn transactions and asset movements into a wallet timeline without hiding fees, duplicates or gaps.
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Historical Token Balances: Snapshots, Cutoffs and Exact Amounts
Why a balance at a cutoff is a different answer from an activity list, and how to preserve its time, asset and quantity context.
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Identity & evidence
Keep network context, record identities and technical evidence in view.
Multi-Chain Wallet Data: Identity, Coverage and Normalization
Build a combined wallet view while retaining the network, asset and record distinctions that make each observation meaningful.
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Smart Contract Event Logs: Topics, Decoding and Record Identity
Read event logs as technical observations, decode them with the right context and preserve the evidence behind application labels.
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Integration & review
Build clearer comparison workflows and deliberate access boundaries.
Blockchain Data Reconciliation: Compare Records with Evidence
A technical workflow for comparing independently supported records without hiding disagreements, missing observations or scope differences.
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Blockchain API Key Security: Backend Access and Customer Ownership
A practical access model for developer teams: protect service credentials and keep customer ownership separate from application sign-in.
Read the guideThe editorial approach
Useful questions.
Traceable explanations.
Each guide starts with a concrete developer question and separates technical observations from the interpretation an application adds. Examples are explained in context, with links to the standards and documentation behind the concepts.
Published by Indexbase. Explore related guides as your requirements develop, from a first data question to a more deliberate integration workflow.