IM1 Partner API (EMIS only)

Not sure if this helps, but the following forum post has information on IM1 Partner API that may assist you:-

Where can I find the documentation for Interface Mechanism 1 (IM1) EMIS PFS - JSON api - General enquiries - NHS England Developer Community

If not please reply back in here and try to supply as much info for your request as they may help to generate more replies to the question.