Iteration Layer
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Features

Ingest

Turn files, pages, and images into workflow-ready data.

Document Extraction Schema-based structured extraction with confidence scores. Document to Markdown Convert PDFs, images, and documents into clean Markdown. Website Extraction Extract structured data from public websites.

Generate

Create images, documents, and sheets from approved data.

Image Transformation Transform, clean up, and adapt images through an API. Image Generation Generate images from prompts and workflow context. Document Generation Create PDFs and documents from workflow data. Sheet Generation Generate spreadsheets and structured exports.

Build

Connect the APIs to developer and automation workflows.

SDKs Use official TypeScript, Python, and Go SDKs. n8n Wire Iteration Layer into visual automation flows. MCP Expose workflow tools to AI agents through MCP. Skills Install ready-made skills for agent tools.
Use Cases

Built For

Agencies

Ship repeatable client workflows with one EU-ready processing surface.

Automation Builders

Connect document, image, and generated-output steps in practical automations.

n8n Agencies

Build n8n workflows with fewer custom HTTP nodes and vendor handoffs.

AI Agents MCP Users Developers Operations Teams SaaS Companies AI Agencies

Recipes

All Recipes Browse implementation patterns for common workflows. Finance Recipes Invoices, approvals, spreadsheets, and reporting. Legal Recipes Contracts, review packets, and audit-heavy workflows. Extraction Recipes Structured extraction examples across document types.
Docs
Getting Started Create an account, generate an API key, and make your first request. Extract Invoice Data Start from the most common structured document extraction recipe. Preprocess Documents for LLMs Convert documents to clean Markdown before classification or routing. Convert Website to Markdown for RAG Extract clean title, summary, markdown sections, and source metadata from a public documentation page for RAG ingestion. Remove Product Backgrounds Use the product-photo recipe most storefront workflows need first. Smart Crop Product Image AI-powered subject-aware crop that centers on the product regardless of its position in the frame. Generate OG Image Generate a branded Open Graph image with a generative wave background, logo, and tagline. Generate PDF Invoice Generate a professional PDF invoice with company branding, line items, and totals. TypeScript SDK Install the official npm package for Node.js and TypeScript. Python SDK Install the official PyPI package for Python workflows. Go SDK Use the official Go client from GitHub. n8n Guide Connect the verified n8n node to production automation workflows. n8n Node Install the official Iteration Layer community node from npm. MCP Server Expose Iteration Layer tools to AI agents and coding assistants. Agent Skills Install ready-made skills for Claude Code and agent workflows.
Overview APIs Workflows SDKs Agent Tools Agent Frameworks Chat UIs API Reference Billing Trust & Compliance
Resources

Blog

EU AI Sovereignty Belongs in the Workflow Layer

Sovereign AI is not only a model question. EU agencies need controlled document workflows from intake to generated output.

Discover & Learn

Partner Program Build compliant client workflows with Iteration Layer. Changelog Follow product updates and new workflow capabilities. Security Review public security posture and controls. About Learn who is building Iteration Layer.

Benchmarks & Datasets

OCR Benchmark Review OCR evaluation results now. Dataset explorer support can slot in here next.
Pricing
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Documentation navigation

Getting Started

Welcome to the Iteration Layer API documentation. This guide will help you get up and running in minutes.

Quick Start

1. Create an Account

Sign up at iterationlayer.com to start your paid 7-day trial. You’ll receive 100 trial credits across all APIs. Generate a project-scoped API key from the dashboard or the API Keys page — keys work across all APIs.

2. Make Your First Request

Request
curl -X POST \
  https://api.iterationlayer.com/document-extraction/v1/extract \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "files": [
      {
        "type": "url",
        "name": "invoice.pdf",
        "url": "https://iterationlayer.com/code-samples/accounts-payable-invoice.pdf"
      }
    ],
    "schema": {
      "fields": [
        {
          "name": "invoice_number",
          "type": "TEXT",
          "description": "The invoice number"
        },
        {
          "name": "total_amount",
          "type": "CURRENCY_AMOUNT",
          "description": "Total invoice amount"
        }
      ]
    }
  }'
Response
{
  "success": true,
  "data": {
    "invoice_number": {
      "type": "TEXT",
      "value": "INV-2024-0042",
      "confidence": 0.97,
      "citations": [
        "Invoice #INV-2024-0042"
      ],
      "source": "invoice.pdf"
    },
    "total_amount": {
      "type": "CURRENCY_AMOUNT",
      "value": 1250.00,
      "confidence": 0.95,
      "citations": [
        "Total: €1,250.00"
      ],
      "source": "invoice.pdf"
    }
  }
}
Request
import { IterationLayer } from "iterationlayer";
const client = new IterationLayer({
  apiKey: "YOUR_API_KEY",
});

const result = await client.extractDocument({
  files: [
    {
      type: "url",
      name: "invoice.pdf",
      url: "https://iterationlayer.com/code-samples/accounts-payable-invoice.pdf",
    },
  ],
  schema: {
    fields: [
      {
        name: "invoice_number",
        type: "TEXT",
        description: "The invoice number",
      },
      {
        name: "total_amount",
        type: "CURRENCY_AMOUNT",
        description: "Total invoice amount",
      },
    ],
  },
});
Response
{
  "success": true,
  "data": {
    "invoice_number": {
      "type": "TEXT",
      "value": "INV-2024-0042",
      "confidence": 0.97,
      "citations": [
        "Invoice #INV-2024-0042"
      ],
      "source": "invoice.pdf"
    },
    "total_amount": {
      "type": "CURRENCY_AMOUNT",
      "value": 1250.00,
      "confidence": 0.95,
      "citations": [
        "Total: €1,250.00"
      ],
      "source": "invoice.pdf"
    }
  }
}
Request
from iterationlayer import IterationLayer
client = IterationLayer(api_key="YOUR_API_KEY")

result = client.extract_document(
    files=[
        {
            "type": "url",
            "name": "invoice.pdf",
            "url": "https://iterationlayer.com/code-samples/accounts-payable-invoice.pdf",
        }
    ],
    schema={
        "fields": [
            {
                "name": "invoice_number",
                "type": "TEXT",
                "description": "The invoice number",
            },
            {
                "name": "total_amount",
                "type": "CURRENCY_AMOUNT",
                "description": "Total invoice amount",
            },
        ],
    },
)
Response
{
  "success": true,
  "data": {
    "invoice_number": {
      "type": "TEXT",
      "value": "INV-2024-0042",
      "confidence": 0.97,
      "citations": [
        "Invoice #INV-2024-0042"
      ],
      "source": "invoice.pdf"
    },
    "total_amount": {
      "type": "CURRENCY_AMOUNT",
      "value": 1250.00,
      "confidence": 0.95,
      "citations": [
        "Total: €1,250.00"
      ],
      "source": "invoice.pdf"
    }
  }
}
Request
import il "github.com/iterationlayer/sdk-go"
client := il.NewClient("YOUR_API_KEY")

result, err := client.ExtractDocument(il.ExtractDocumentRequest{
    Files: []il.FileInput{
        {Type: "url", Name: "invoice.pdf", Url: "https://iterationlayer.com/code-samples/accounts-payable-invoice.pdf"},
    },
    Schema: il.ExtractionSchema{
        Fields: []any{
            il.TextFieldConfig{Type: "TEXT", Name: "invoice_number", Description: "The invoice number"},
            il.CurrencyAmountFieldConfig{Type: "CURRENCY_AMOUNT", Name: "total_amount", Description: "Total invoice amount"},
        },
    },
})
Response
{
  "success": true,
  "data": {
    "invoice_number": {
      "type": "TEXT",
      "value": "INV-2024-0042",
      "confidence": 0.97,
      "citations": [
        "Invoice #INV-2024-0042"
      ],
      "source": "invoice.pdf"
    },
    "total_amount": {
      "type": "CURRENCY_AMOUNT",
      "value": 1250.00,
      "confidence": 0.95,
      "citations": [
        "Total: €1,250.00"
      ],
      "source": "invoice.pdf"
    }
  }
}

3. Explore the APIs