# LLMWhisperer

**Canonical:** https://apis.io/providers/llmwhisperer/  
**Website:** https://unstract.com/llmwhisperer/  
**APIs profiled:** 5

LLMWhisperer is a document-to-text extraction API from Unstract (Zipstack) that turns complex PDFs, scanned documents, and images into clean, layout-preserving text ready for large language models. It exposes an asynchronous REST API (v2) - submit a document to /whisper, poll /whisper-status, then retrieve the extracted text via /whisper-retrieve - plus line-level highlight coordinates and webhook callbacks. Authentication is via the unstract-key header.

## Kin Score — 38.8 / 100 (thin)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 38.8).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 57.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 34.2 |
| Developer Ergonomics | 23.8 |
| Commercial Clarity | 39.5 |
| Access Clarity | 39.5 |

## Agent readiness — 25.5 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | verified |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Freemium · Open access — onboarding: open, pricing: freemium, trial: no (confidence: high).

## APIs (5)

- **LLMWhisperer Extraction API** — The Extraction API from LLMWhisperer — 1 operation(s) for extraction.
- **LLMWhisperer Highlights API** — The Highlights API from LLMWhisperer — 1 operation(s) for highlights.
- **LLMWhisperer Retrieve API** — The Retrieve API from LLMWhisperer — 1 operation(s) for retrieve.
- **LLMWhisperer Status API** — The Status API from LLMWhisperer — 1 operation(s) for status.
- **LLMWhisperer Webhooks API** — The Webhooks API from LLMWhisperer — 1 operation(s) for webhooks.

## Agentic access (1)

- **Llmwhisperer Agentic Access** — 8 operations · 4 acting

## Security (2)

- **Llmwhisperer Authentication** — apiKey · 1 scheme
- **Llmwhisperer Domain Security** — TLSv1.3 · DMARC

## Plans (1)

- **Llmwhisperer Plans Pricing**

## Tags

Artificial Intelligence, LLM, Document Extraction, OCR, Text Extraction

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/llmwhisperer/). Scores are computed from the provider's own public artifacts under a published rubric.