# thirds.ai

**Canonical:** https://apis.io/providers/thirds-ai/  
**Website:** https://thirds.ai  
**APIs profiled:** 1

Turn one design into content at scale. thirds.ai makes editable templates from a text prompt, HTML, a picture, or gallery and renders PDFs and images via a web app, REST API, or hosted MCP server. Outputs are PDF, PNG, JPEG, and WebP.

## Kin Score — 55.3 / 100 (strong)

Scored 2026-09-18 under rubric 0.22.0.

| Facet | Score |
|---|---|
| Discoverability | 72.2 |
| Contract Quality | 63.2 |
| Contract Governance | 4.5 |
| Operational Transparency | 65.8 |
| Developer Ergonomics | 56.5 |
| Access Clarity | 63.2 |

## Agent readiness — 42.4 (agent-native)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | documented |
| MCP Server | documented |
| Auth Clarity | bearer |
| Idempotency | verified |
| Error Semantics | verified |
| OpenAPI Examples | partial |
| Rate Limit Signal | verified |
| Event Surface Described | derived |
| Agent Skills | derived |
| 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 |

## APIs (2)

- **thirds.ai REST API** — REST API for HTML-to-PDF, HTML-to-image, AI template generation, template editing, brand kits, rendering, and batch operations. Bearer API key auth with idempotency support.
- **thirds.ai MCP Server** — Hosted MCP server exposing thirds.ai tools (create_brand_kit, create_template, edit_template, publish_template, render, create_batch, get_status, and more) over Streamable HTTP ...

## MCP servers (2)

- **thirds.ai MCP Server** — Official hosted MCP server exposing thirds.ai PDF/image rendering, template, brand-kit and batch tools over Streamable HTTP with bearer-token auth. Uses the caller's existing ac...
- **thirds.ai MCP Server**

## Security (3)

- **Thirds Ai Authentication** — apiKey/http · 2 schemes
- **Thirds Ai Domain Security** — TLSv1.3 · HSTS · DMARC
- **Thirds Ai Vulnerability Disclosure** — contact published

## Plans (1)

- **Thirds Ai Plans Pricing**

## Tags

pdf-automation, image-automation, Document Generation, HTML to PDF, HTML to Image, template-rendering, Branded Content, Developer Tools, MCP Server, agent-native, marketing-ops

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