first commit

packages/@n8n/nodes-langchain/credentials/AnthropicApi.credentials.ts

@@ -0,0 +1,100 @@
+import type {
+	ICredentialDataDecryptedObject,
+	ICredentialTestRequest,
+	ICredentialType,
+	IHttpRequestOptions,
+	INodeProperties,
+} from 'n8n-workflow';
+
+export class AnthropicApi implements ICredentialType {
+	name = 'anthropicApi';
+
+	displayName = 'Anthropic';
+
+	documentationUrl = 'anthropic';
+
+	properties: INodeProperties[] = [
+		{
+			displayName: 'API Key',
+			name: 'apiKey',
+			type: 'string',
+			typeOptions: { password: true },
+			required: true,
+			default: '',
+		},
+		{
+			displayName: 'Base URL',
+			name: 'url',
+			type: 'string',
+			default: 'https://api.anthropic.com',
+			description: 'Override the default base URL for the API',
+		},
+		{
+			displayName: 'Add Custom Header',
+			name: 'header',
+			type: 'boolean',
+			default: false,
+		},
+		{
+			displayName: 'Header Name',
+			name: 'headerName',
+			type: 'string',
+			displayOptions: {
+				show: {
+					header: [true],
+				},
+			},
+			default: '',
+		},
+		{
+			displayName: 'Header Value',
+			name: 'headerValue',
+			type: 'string',
+			typeOptions: {
+				password: true,
+			},
+			displayOptions: {
+				show: {
+					header: [true],
+				},
+			},
+			default: '',
+		},
+	];
+
+	test: ICredentialTestRequest = {
+		request: {
+			baseURL: '={{$credentials?.url}}',
+			url: '/v1/messages',
+			method: 'POST',
+			headers: {
+				'anthropic-version': '2023-06-01',
+			},
+			body: {
+				model: 'claude-3-haiku-20240307',
+				messages: [{ role: 'user', content: 'Hey' }],
+				max_tokens: 1,
+			},
+		},
+	};
+
+	async authenticate(
+		credentials: ICredentialDataDecryptedObject,
+		requestOptions: IHttpRequestOptions,
+	): Promise<IHttpRequestOptions> {
+		requestOptions.headers ??= {};
+
+		requestOptions.headers['x-api-key'] = credentials.apiKey;
+
+		if (
+			credentials.header &&
+			typeof credentials.headerName === 'string' &&
+			credentials.headerName &&
+			typeof credentials.headerValue === 'string'
+		) {
+			requestOptions.headers[credentials.headerName] = credentials.headerValue;
+		}
+
+		return requestOptions;
+	}
+}