Invoice Ask
Ask questions about invoices to find amounts and terms
- Find due dates and payment terms
- Query specific line items or totals
- Compare invoices with natural language
Invoice Ask
Available as an action in
Trusted by
Automate in 3 Steps
Pick Your Platform
Choose Make, n8n, or Zapier
Add PDF Vector
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Build Your Workflow
Connect to 1000+ apps
Popular Automations
Ready-to-use workflow templates for Make, n8n, and Zapier
Invoice → Due date → Calendar
Batch invoices → Flag high value
Vendor invoice → Approval routing
For Developers
Get started in seconds. Copy and run.
import { createClient } from "@pdfvector/client";const client = createClient({ apiKey: "YOUR_API_KEY" });const result = await client.invoice.ask( { url: "https://example.com/supplier-invoice.pdf", question: "What is the total amount due?", model: "max", }, { context: { documentId: "inv-2024-0892" } },);console.log(result.markdown);Key Features
Payment Terms
Instantly find payment terms, net days, early payment discounts, and late fee clauses.
Amount Lookup
Ask about subtotals, tax amounts, line item prices, discounts, and total amounts due.
Due Date Detection
Extract due dates, invoice dates, and payment deadlines in any format.
Credit Costs
Pick the model tier that fits your use case
Nano
Quick answers for simple text documents. Low cost per question.
Mini
Better comprehension for documents with tables and structured data.
Pro
Deep understanding of complex documents including images and charts.
Max
Most accurate answers for large, multi-section documents with mixed content.
Everything You Need for Document Processing
Parse, ask questions, and extract structured data from any document type
Academic Search
Search across PubMed, arXiv, OpenAlex, Semantic Scholar, and more.
Academic Fetch
Fetch paper metadata by DOI, PMID, arXiv ID, or other identifiers.
Academic Find Citations
Find relevant citations for your text using semantic matching.
Academic Paper Graph
Get a paper's citing papers and references as full publication objects.
Academic Similar Papers
Find similar papers using citation network analysis with similarity scores.
Academic Search Grants
Search grants across Grants.gov, NIH RePORTER, CORDIS, and UKRI.