NetSuite is retiring SuiteTalk SOAP by the 2028.2 release. The official Oracle timeline, how to tell if you are affected, and a plan to migrate to REST.
How to integrate NetSuite with the systems around it: choosing between RESTlets, SuiteTalk, and REST Web Services, the OAuth 2.0 shift, and the design choices that keep integrations from failing silently.
How to build a NetSuite custom tool so an external AI client can act in your account: the CustomTool script type, the JSON tool schema, and SDF deployment.
How to modernise an ageing NetSuite codebase: what legacy SuiteScript actually costs you, the migrate, refactor, or retire decision, and how to sequence a 1.0 to 2.1 programme without breaking production.
Complexity scoring, pre-conversion checklist, and a full API reference for SuiteScript 1.0 to 2.1 migration, with the breaking behaviours that bite in testing.
A developer's guide to building AI into NetSuite: the N/llm module, the new Custom Tool script type, the AI Connector, and when each is worth using.
How to call generative AI from SuiteScript with the N/llm module: generateText, grounding answers with RAG, the usage limits, and validating output.
A step-by-step diagnostic process for NetSuite integrations that stop working without throwing errors: governance exhaustion, token invalidation, queue failures, and log truncation.
The root cause of SuiteScript 1.0 upgrade failures, the specific APIs that break, and a decision framework for deciding what to migrate, refactor, or retire.
