feat(api): add GET /batches/{batch_id} endpoint#5462
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martinconic
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acud,
akrem-chabchoub,
gacevicljubisa,
janos and
sbackend123
janos
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May 15, 2026
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Checklist
Description
Closes #5458.
Adds the singular companion to GET /batches so callers can fetch a
single globally-visible postage batch by ID in O(1) instead of pulling
the entire batch set client-side. Mirrors the existing
/stamps/{batch_id} pattern: 32-byte ID path param, batchStore.Get
lookup, 404 on ErrNotFound, 200 with PostageBatchShort otherwise.
OpenAPI spec bumped 8.0.0 -> 8.1.0 (backwards-compatible new endpoint).
Open API Spec Version Changes (if applicable)
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