Brian's right; you don't need z/OS Connect to deploy and invoke Db2 REST services. We've got loads (well, a dozen or so) and they work fine without it thankyouverymuch.
What it does provide is the standard API interfaces into REST service calls for stuff like GET, PUT, POST and.. whatever the other one is. Db2's REST service implementation is a little... proprietary and non-standard so if you want those calls to work the way Developers expect them to, z/OS Connect is the way to go.
Of course, one could be forgiven for thinking Db2's implementation is non-standard to encourage you to buy z/OS Connect. You might think that; I couldn't possibly comment.
Ah, I was thinking of the Four Musketeers of GET, PUT, POST and DELETE. Not heard of PATCH; another one Db2 doesn't support. ��
Yeah, we've gone down the SECPORT route. Unsecured in trials just to prove it works then swallowed the whole certificates thing. Not something I understand TBH but I don't have to; that's Encryption Servies' job, fortunately.
Will put aside a few BRUs to blow together at a pub some time – assuming they're still worth anything by then. I discovered one NZD now buys 51p. In my day it was closer to 20p. Typical, now I have (relatively) more pounds than dollars.
"z/OS Application Connectivity to Db2 for z/OS" is the z/OS equivalent of the "IBM Data Server Driver for JDBC and SQLJ (JCC) Driver" package. That is, the JDBC drivers needed to connect to Db2 for z/OS from an java application running under z/OS: standalone, Java in CICS, Websphere, Liberty, etc. No license required.
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