API & automation

• API & automationNew Waiting for an email in code: polling without a webhook What push and pull each cost you and why a receive-only service has neither webhook nor callback, the four-line loop everybody writes first and the five things wrong with it, why a deadline is the only stopping condition that survives a slow queue, how to choose an interval when the floor is one request a second, reading Retry-After instead of guessing, the whole table of refusals so a 404 is never mistaken for an empty mailbox, deciding which message is yours before you open it, acting exactly once when a poll is retried, and the server-side wait an agent can use instead of a loop. 15 Sept 202629 min readIntermediate
• API & automation Node.js temp mail API: read an inbox with fetch, no key A drop-in TypeScript module on the built-in fetch (fresh address, wait with a deadline, read, delete, download), the same in plain JavaScript, what changes on Deno and Bun, pagination with the before cursor, streaming an attachment to disk, 429 handling, a Vitest test, and a table of the ways this goes wrong in production. 1 Sept 202619 min readIntermediate
• API & automation Python: receive email with a disposable inbox API, no key A drop-in module on requests (fresh address, wait with a deadline, read, delete, download), the asyncio version on httpx that waits on five inboxes at once, pagination with the before cursor, attachments to disk, 429 handling, a pytest fixture, and a table of the ways this goes wrong in production. 1 Sept 202623 min readIntermediate
• API & automation Disposable email API: automate an inbox from a script The three calls in full, paging past the first fifty messages, the two separate rate budgets, deleting what you are done with, and the error slugs worth branching on. 29 Aug 202622 min readIntermediate

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