diff --git a/index.ts b/index.ts
index f7a5b79..cfd75e8 100644
--- a/index.ts
+++ b/index.ts
@@ -7,6 +7,7 @@ export * from './interfaces/document';
 export * from './interfaces/protocol';
 export * from './interfaces/uicomponent';
 export * from './interfaces/editor';
+export * from './interfaces/papi';
 
 export const DocHub: IDocHubCore = window['DocHub'];
 export const Vue2: any = window['Vue'];
diff --git a/interfaces/papi.ts b/interfaces/papi.ts
new file mode 100644
index 0000000..53f90b5
--- /dev/null
+++ b/interfaces/papi.ts
@@ -0,0 +1,67 @@
+export type IClipboardValue = string
+
+export interface IGotoParams {
+  id: string;
+  source: string;
+  entity: string;
+}
+
+export interface IProjectMode {
+  mode: string
+}
+
+export interface IUmlSourceCode {
+  uml: string
+}
+
+export interface ISourceDownloadParams {
+  content: string;
+  title: string;
+  description: string;
+  extension: string;
+}
+
+export interface ISourceSchema {
+  schema: string;
+}
+
+export interface IClipboardData<T = IClipboardValue> {
+  data: T
+}
+
+export interface IFileContent<T = string> {
+  source: string;
+  content: T
+}
+
+export interface ICodeMetadata {
+  code: string;
+  metadata: string;
+}
+
+export interface BasePapiEvents {
+  goTo(params: IGotoParams): void
+  applyEntitySchema(schema: ISourceSchema): void
+  registerLazyLoadedDiagrams(): void
+}
+export interface RenderPapiEvents {
+  renderPlantUml(uml: IUmlSourceCode): Promise<void>
+}
+
+export interface FileWorker {
+  initProject(mode: IProjectMode): void
+  download(source: ISourceDownloadParams): void
+}
+
+export interface IdeaPapiPlugin extends BasePapiEvents, RenderPapiEvents, FileWorker {
+  messagePull(): Promise<void>
+  pushFile(content: IFileContent): Promise<void>
+  pushCode(metadata: ICodeMetadata): Promise<void>
+  copyToClipboard(data: IClipboardData): void
+}
+
+export interface VsCodePapiPlugin extends BasePapiEvents, RenderPapiEvents, FileWorker {
+  loadingHtmlDocumentEvent(): void
+  checkIsRootManifest(): void
+}
+