2 min read
Log it structured
const res = await fetch(url, init);
const reqId = res.headers.get('X-Request-Id');
logger.info('credicorp.call', {
url, status: res.status, request_id: reqId,
});Emit key/value fields, not a concatenated string, so you can filter by request_id or status later.
Use it with support
When something looks wrong, quote the request_id in your ticket. It lets the team pull your exact request and response, which turns a vague report into a five-minute fix.
Frequently asked questions
Where is the request id?
In the JSON body as request_id and in the X-Request-Id response header. They match. Log whichever is convenient.
Should I log request bodies?
Log metadata, not full bodies with personal data. The request_id is enough to correlate with the server side without storing PII.
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