No XNS SDK, no client library, no proprietary protocol. Point boto3, the AWS CLI, mc or your own signer at the gateway you run, sign with Signature Version 4, and everything below is reference material for the parts where the details matter.
Each one lands on a page that answers the whole question rather than a table of contents. The full reference tree sits one step deeper if you already know what you are looking for.
Run the gateway container, put it behind your own domain and certificate, issue credentials, create a bucket, put and get an object. No account, no sales call, no form in the middle.
setup-guide · buckets · access-paths 02 — S3 COMPATIBILITYEvery operation published one by one, with the same operation on AWS S3, Ceph, MinIO, Wasabi, Backblaze B2 and Storj beside it. Where behavior differs from Amazon, the difference is written down rather than discovered.
s3-compatibility · the eight S3 API reference pages 03 — SDKS, CLI & TOOLSConfiguration for each client, the four values every one of them asks for, and the signing details that matter when you are writing your own request rather than using a library.
s3-integration-and-tooling · works-with directory 04 — AGENT INTEGRATIONGive an agent a bucket it can read and write without giving it your account. Model Context Protocol servers, credential scoping, and worked examples of an agent using object storage as working memory.
setup-with-ai · agentic-workflows · identity-and-accessSandbox: a live Relayer to test against, no install and nothing stored.
Eight pages covering what the gateway does with each family of requests, written against the running implementation rather than a specification summary.
Operating the gateway itself — certificates, disks, tenants, webhooks, the audit log and the monitoring views — is covered in the Relayer manual. Deployment builds and release notes are on Releases & downloads.
Most storage evaluations end with a surprise in month three. Ours is published up front: every operation, tested and listed, next to the same operation on six other object stores. Check the ones your code actually calls, then decide.
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Everything you need to go from evaluation to production.