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Extract text, tables, and structured data from documents using prebuilt and custom models.
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Extract text, tables, and structured data from documents using prebuilt and custom models. 📦 Ships with agentic-awesome-skills
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azure-ai-document-intelligence-ts.SKILL.md
---
name : azure-ai-document-intelligence-ts
description : "Extract text, tables, and structured data from documents using prebuilt and custom models."
risk : unknown
source : community
date_added : "2026-02-27"
---
# Azure Document Intelligence REST SDK for TypeScript
Extract text, tables, and structured data from documents using prebuilt and custom models.
## Installation
```bash
npm install @azure-rest/ai-document-intelligence @azure/identity
```
## Environment Variables
```bash
DOCUMENT_INTELLIGENCE_ENDPOINT=https://<resource>.cognitiveservices.azure.com
DOCUMENT_INTELLIGENCE_API_KEY=<api-key>
```
## Authentication
**Important**: This is a REST client. `DocumentIntelligence` is a **function**, not a class.
### DefaultAzureCredential
```typescript
import DocumentIntelligence from "@azure-rest/ai-document-intelligence";
import { DefaultAzureCredential } from "@azure/identity";
const client = DocumentIntelligence(
process.env.DOCUMENT_INTELLIGENCE_ENDPOINT!,
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new DefaultAzureCredential()
);
```
### API Key
```typescript
import DocumentIntelligence from "@azure-rest/ai-document-intelligence";
const client = DocumentIntelligence(
process.env.DOCUMENT_INTELLIGENCE_ENDPOINT!,
{ key: process.env.DOCUMENT_INTELLIGENCE_API_KEY! }
);
```
## Analyze Document (URL)
```typescript
import DocumentIntelligence, {
isUnexpected,
getLongRunningPoller,
AnalyzeOperationOutput
} from "@azure-rest/ai-document-intelligence";
const initialResponse = await client
.path("/documentModels/{modelId}:analyze", "prebuilt-layout")
.post({
contentType: "application/json",
body: {
urlSource: "https://example.com/document.pdf"
},
queryParameters: { locale: "en-US" }
});
if (isUnexpected(initialResponse)) {
throw initialResponse.body.error;
}
const poller = getLongRunningPoller(client, initialResponse);
const result = (await poller.pollUntilDone()).body as AnalyzeOperationOutput;
console.log("Pages:", result.analyzeResult?.pages?.length);
console.log("Tables:", result.analyzeResult?.tables?.length);
```
## Analyze Document (Local File)
```typescript
import { readFile } from "node:fs/promises";
const fileBuffer = await readFile("./document.pdf");
const base64Source = fileBuffer.toString("base64");
const initialResponse = await client
.path("/documentModels/{modelId}:analyze", "prebuilt-invoice")
.post({
contentType: "application/json",
body: { base64Source }
});
if (isUnexpected(initialResponse)) {
throw initialResponse.body.error;
}
const poller = getLongRunningPoller(client, initialResponse);
const result = (await poller.pollUntilDone()).body as AnalyzeOperationOutput;
```
## Prebuilt Models
| Model ID | Description |
|----------|-------------|
| `prebuilt-read` | OCR - text and language extraction |
| `prebuilt-layout` | Text, tables, selection marks, structure |
| `prebuilt-invoice` | Invoice fields |
| `prebuilt-receipt` | Receipt fields |
| `prebuilt-idDocument` | ID document fields |
| `prebuilt-tax.us.w2` | W-2 tax form fields |
| `prebuilt-healthInsuranceCard.us` | Health insurance card fields |
| `prebuilt-contract` | Contract fields |
| `prebuilt-bankStatement.us` | Bank statement fields |
## Extract Invoice Fields
```typescript
const initialResponse = await client
.path("/documentModels/{modelId}:analyze", "prebuilt-invoice")
.post({
contentType: "application/json",
body: { urlSource: invoiceUrl }
});
if (isUnexpected(initialResponse)) {
throw initialResponse.body.error;
}
const poller = getLongRunningPoller(client, initialResponse);
const result = (await poller.pollUntilDone()).body as AnalyzeOperationOutput;
const invoice = result.analyzeResult?.documents?.[0];
if (invoice) {
console.log("Vendor:", invoice.fields?.VendorName?.content);
console.log("Total:", invoice.fields?.InvoiceTotal?.content);
console.log("Due Date:", invoice.fields?.DueDate?.content);
}
```
## Extract Receipt Fields
```typescript
const initialResponse = await client
.path("/documentModels/{modelId}:analyze", "prebuilt-receipt")
.post({
contentType: "application/json",
body: { urlSource: receiptUrl }
});
const poller = getLongRunningPoller(client, initialResponse);
const result = (await poller.pollUntilDone()).body as AnalyzeOperationOutput;
const receipt = result.analyzeResult?.documents?.[0];
if (receipt) {
console.log("Merchant:", receipt.fields?.MerchantName?.content);
console.log("Total:", receipt.fields?.Total?.content);
for (const item of receipt.fields?.Items?.values || []) {
console.log("Item:", item.properties?.Description?.content);
console.log("Price:", item.properties?.TotalPrice?.content);
}
}
```
## List Document Models
```typescript
import DocumentIntelligence, { isUnexpected, paginate } from "@azure-rest/ai-document-intelligence";
const response = await client.path("/documentModels").get();
if (isUnexpected(response)) {
throw response.body.error;
}
for await (const model of paginate(client, response)) {
console.log(model.modelId);
}
```
## Build Custom Model
```typescript
const initialResponse = await client.path("/documentModels:build").post({
body: {
modelId: "my-custom-model",
description: "Custom model for purchase orders",
buildMode: "template", // or "neural"
azureBlobSource: {
containerUrl: process.env.TRAINING_CONTAINER_SAS_URL!,
prefix: "training-data/"
}
}
});
if (isUnexpected(initialResponse)) {
throw initialResponse.body.error;
}
const poller = getLongRunningPoller(client, initialResponse);
const result = await poller.pollUntilDone();
console.log("Model built:", result.body);
```
## Build Document Classifier
```typescript
import { DocumentClassifierBuildOperationDetailsOutput } from "@azure-rest/ai-document-intelligence";
const containerSasUrl = process.env.TRAINING_CONTAINER_SAS_URL!;
const initialResponse = await client.path("/documentClassifiers:build").post({
body: {
classifierId: "my-classifier",
description: "Invoice vs Receipt classifier",
docTypes: {
invoices: {
azureBlobSource: { containerUrl: containerSasUrl, prefix: "invoices/" }
},
receipts: {
azureBlobSource: { containerUrl: containerSasUrl, prefix: "receipts/" }
}
}
}
});
if (isUnexpected(initialResponse)) {
throw initialResponse.body.error;
}
const poller = getLongRunningPoller(client, initialResponse);
const result = (await poller.pollUntilDone()).body as DocumentClassifierBuildOperationDetailsOutput;
console.log("Classifier:", result.result?.classifierId);
```
## Classify Document
```typescript
const initialResponse = await client
.path("/documentClassifiers/{classifierId}:analyze", "my-classifier")
.post({
contentType: "application/json",
body: { urlSource: documentUrl },
queryParameters: { split: "auto" }
});
if (isUnexpected(initialResponse)) {
throw initialResponse.body.error;
}
const poller = getLongRunningPoller(client, initialResponse);
const result = await poller.pollUntilDone();
console.log("Classification:", result.body.analyzeResult?.documents);
```
## Get Service Info
```typescript
const response = await client.path("/info").get();
if (isUnexpected(response)) {
throw response.body.error;
}
console.log("Custom model limit:", response.body.customDocumentModels.limit);
console.log("Custom model count:", response.body.customDocumentModels.count);
```
## Polling Pattern
```typescript
import DocumentIntelligence, {
isUnexpected,
getLongRunningPoller,
AnalyzeOperationOutput
} from "@azure-rest/ai-document-intelligence";
// 1. Start operation
const initialResponse = await client
.path("/documentModels/{modelId}:analyze", "prebuilt-layout")
.post({ contentType: "application/json", body: { urlSource } });
// 2. Check for errors
if (isUnexpected(initialResponse)) {
throw initialResponse.body.error;
}
// 3. Create poller
const poller = getLongRunningPoller(client, initialResponse);
// 4. Optional: Monitor progress
poller.onProgress((state) => {
console.log("Status:", state.status);
});
// 5. Wait for completion
const result = (await poller.pollUntilDone()).body as AnalyzeOperationOutput;
```
## Key Types
```typescript
import DocumentIntelligence, {
isUnexpected,
getLongRunningPoller,
paginate,
parseResultIdFromResponse,
AnalyzeOperationOutput,
DocumentClassifierBuildOperationDetailsOutput
} from "@azure-rest/ai-document-intelligence";
```
## Best Practices
1. **Use getLongRunningPoller()** - Document analysis is async, always poll for results
2. **Check isUnexpected()** - Type guard for proper error handling
3. **Choose the right model** - Use prebuilt models when possible, custom for specialized docs
4. **Handle confidence scores** - Fields have confidence values, set thresholds for your use case
5. **Use pagination** - Use `paginate()` helper for listing models
6. **Prefer neural mode** - For custom models, neural handles more variation than template
## When to Use
This skill is applicable to execute the workflow or actions described in the overview.
## Limitations
- Use this skill only when the task clearly matches the scope described above.
- Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
- Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.
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