# usestring-ai

**Canonical:** https://apis.io/providers/usestring-ai/  
**Website:** https://usestring.ai/  
**APIs profiled:** 3

String is a reliable web scraping API that returns public pages as clean Markdown, raw HTML, or JSON. Users pay only when content is returned. The platform offers a Web Access API, a Composer tool for structured feeds, and managed services for bespoke data sets. It emphasizes high reliability, easy integration, and transparent pricing, catering to developers and businesses needing scalable web data extraction.

## Kin Score — 60.4 / 100 (strong)

Scored 2026-11-01 under rubric 0.26.0.

| Facet | Score |
|---|---|
| Discoverability | 61.7 |
| Contract Quality | 62.2 |
| Contract Governance | 22.0 |
| Operational Transparency | 42.1 |
| Developer Ergonomics | 58.8 |
| Access Clarity | 78.9 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 35.3 (matched via fallback).

## Agent readiness — 60.7 (agent-native)

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

## APIs (9)

- **usestring-ai Browser API** — Remote CDP browser over WebSocket and reusable browser profiles (contexts).
- **usestring-ai Builds API** — Starting, watching, steering and finishing a feed build.
- **usestring-ai Contexts API** — Browser profiles that persist logins and cookies between sessions.
- **usestring-ai Documentation API** — This specification and its rendering. Unauthenticated.
- **usestring-ai Feeds API** — Published feeds you are subscribed to, and the data they collect.
- **usestring-ai Fetch API** — Retrieve a single URL.
- **usestring-ai Search API** — Query a search engine for organic results.
- **usestring-ai Sessions API** — Hosted-browser (`/wss`) sessions as API objects: ids, status, replays, live view and files. Every `/wss` connection gets an id, returned in its `x-session-id` upgrade response h...
- **usestring-ai Sitemap API** — Discover the URLs of a whole site as an asynchronous job.

## MCP servers (1)

- **usestring-ai MCP Server** — Remote MCP server at mcp.usestring.ai requiring an API key.

## Agentic access (1)

- **Usestring Ai Agentic Access** — 47 operations · 18 acting

## Security (4)

- **Usestring Ai Authentication** — 1 scheme
- **Usestring Ai Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC
- **Usestring Ai Vulnerability Disclosure** — security.txt · contact published
- **Usestring Ai Trust Center** — SOC 2, HIPAA, GDPR

## Plans (1)

- **Usestring Ai Plans Pricing**

## Tags

Web Scraping, Data Extraction, Markdown, JSON

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