01 / APIs, open data & integration
GeoJSON to a map: valid numbers do not prove coordinate order
A local Point adapter names longitude and latitude and demonstrates why a swapped pair can still pass.
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From bytes to decisions.
Build with clarity.
Practical guides to the difficult boundaries of API integration. From JSON intake to error handling: understand first, then implement.
5 articles
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Protocol → interpretation → application02 / APIs, open data & integration
Read a damaged JSON sequence without pretending it is complete
An RS-framing exercise retains intact objects, records a gap, and refuses to present the result as a complete export.
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JSON intake: reject ambiguous bytes before checking the resource schema
An executed byte exercise rejects duplicate keys, invalid UTF-8, and NaN without inventing field meanings.
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Read Problem Details without turning an error message into a decision rule
Separate HTTP status, problem type, and readable error text. A local decision exercise exposes contradictory responses.
Read article →05 / APIs, open data & integration
A relative API link is not text to append to a domain
Resolve path, query, and authority locally while separating another destination from permission to follow it.
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No black box. Sources in the open.
Every guide starts with a concrete question and makes the limits of its answer visible. Original sources are linked below each article.
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Which integration step helps you move forward?
30 short questions about APIs and connecting data. Selecting an answer moves to the next question. You can go back, change answers, or skip. This is a practical reading route, not a scientific test.
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