Belin Doc

Belin Doc provides a free, unlimited AI-powered document translation service that supports PDF, DOCX, EPUB, PPTX, Excel, and many other formats. Powered by top-tier AI models such as Gemini, ChatGPT, Claude, and DeepSeek, it preserves original layout and formatting while translating content into over 60 languages. The platform offers zero-cost translation with no registration, privacy-focused data handling that deletes files within 24 hours, and additional tools like OCR for scanned PDFs. Belin Doc aims to be the world’s largest free document translation tool, continuously updating models and features.

Belin Doc is listed with 1 API on the APIs.io network. Tagged areas include Artificial Intelligence, Document Translation, Free, PDF, and Multilingual.

The Belin Doc catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

Belin Doc’s developer surface includes authentication, changelog, documentation, API reference, pricing, engineering blog, and 18 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

40.0/100 developing Agent 26/100 agent aware Full breakdown ↓
scored 2026-11-02 · rubric v0.26.0 · Show this score on your site →

AccessFreemiumOpen⚡ Free to try

1 API 1 MCP Servers

Artificial Intelligence Document Translation Free PDF Multilingual

Kin Score

Kin Score How this is scored →
scored 2026-11-02 · rubric v0.26.0

Composite quality — 40.0/100 · developing

Contract Quality 5.4 / 21

Developer Ergonomics 8.1 / 17

Access Clarity 8.9 / 17

Operational Transparency 1.7 / 11

Contract Governance 2.2 / 10

Discoverability 5.5 / 9

Regulatory Posture 4.8 / 15

Agent readiness — 26/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 12 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 7 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Pagination 5 / 5

Distinct Operations 3 / 3

MCP Tool Quality 6 / 6

Regulatory Posture applies to this provider. Its tags matched the Horizontal (data, software, accessibility, platform) regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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Agent readiness — checks not met, largest first (exact, from this profile):

Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author
Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented)
Stable Error Semantics +8 pts — OpenAPI $refs a shared error schema across 4xx/5xx responses (verified), else common[].type includes ErrorCatalog / ErrorCodes / DeclineCodes
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0
Rate-Limit Signaling +7 pts — OpenAPI responses document X-RateLimit-* / RateLimit headers (verified), else a rate_limits artifact or RateLimits link (documented)
Registration Without a Human +6 pts — a `registration_endpoint` in the served RFC 8414 / OIDC discovery document

9 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Contract Quality scores 25.2 — up to +18.7 composite points
Operational Transparency scores 15.8 — up to +10.9 composite points
Developer Ergonomics scores 47.6 — up to +10.5 composite points

Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from the provider profile at artifacts.apis.io/belindoc-com/apis.yml: open an issue on github.com/api-evangelist/belindoc-com to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

Belin Doc API

Belin Doc API as documented publicly: 4 operations. Contract generated from the documentation by API Evangelist (2026-11-02); not the provider's own document.

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

Belin Doc MCP Server

Remote MCP server at mcp.belindoc.com.

MCP SERVER

Pricing Plans 1

Published pricing tiers and plan structures.

Belindoc Com Plans Pricing

2 plans

PLANS

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Belindoc Com Context

7 classes · 10 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Belin Doc API Rules

35 rules · 33 errors 1 warnings 1 info

SPECTRAL

JSON Schema 6

Standalone JSON Schema definitions for this provider's data models.

PostApiExternalTranslateBatchpresigneduploadurlRequest

1 properties

JSON SCHEMA

PostApiExternalTranslateGettranslates3DownloadurlRequest

2 properties

JSON SCHEMA

PostApiExternalTranslateGettranslates3DownloadurlResponse

2 properties

JSON SCHEMA

PostApiExternalTranslateSearchtranslatefilebybatchnoResponse

2 properties

JSON SCHEMA

PutApiExternalTranslateBatchsubmittranslatetaskRequest

4 properties

JSON SCHEMA

PutApiExternalTranslateBatchsubmittranslatetaskResponse

2 properties

JSON SCHEMA

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Belindoc Com Authentication

1 scheme

SECURITY

Belindoc Com Domain Security

TLSv1.3 · HSTS

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Belindoc Com Scopes

OAuth 2.0 · no documented scopes

0 scopes

SCOPES

Resources

Get Started 1

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt

LLMsTxt

MCPServer

MCPServer

WellKnown

WellKnown

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

Spectral

JSONLD

Vocabulary

DataModel

Conformance

Build 2

SDKs, sample code, and the tooling you integrate with

SDKs

SDKs

Packages

Packages

Access & Security 2

Authentication, authorization, and security posture

Authentication

Authentication

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

ChangeLog

ChangeLog

Commercial 4

Pricing, plans, and the legal terms of use

Plans

Pricing

TermsOfService

PrivacyPolicy

Company 2

The organization behind the API

Website

Website

Blog

Blog

Other 2

Properties that don't map to a standard resource type

Hosts

Hosts

Vendors

Vendors

Source (apis.yml)

aid: belindoc-com
name: Belin Doc
description: Belin Doc provides a free, unlimited AI-powered document translation service that supports PDF, DOCX, EPUB, PPTX,
  Excel, and many other formats. Powered by top-tier AI models such as Gemini, ChatGPT, Claude, and DeepSeek, it preserves
  original layout and formatting while translating content into over 60 languages. The platform offers zero-cost translation
  with no registration, privacy-focused data handling that deletes files within 24 hours, and additional tools like OCR for
  scanned PDFs. Belin Doc aims to be the world’s largest free document translation tool, continuously updating models and
  features.
url: https://artifacts.apis.io/belindoc-com/apis.yml
x-type: company
x-source: harvest:mcp-registry
x-tier: profiled
x-tier-reason: enrichment pass 2026-11-02 (modular-v1; was harvest)
accessModel:
  pricing: freemium
  onboarding: open
  trial: false
  try_now: true
  public: true
  gated: none
  gated_source:
  - onboarding
  label: Freemium · Open access
  confidence: medium
  probe_state: gated
  source:
  - plans
  - authentication
  - security
  generated: '2026-11-02'
  method: derived
specificationVersion: '0.20'
created: '2026-11-02'
modified: '2026-11-02'
tags:
- Artificial Intelligence
- Document Translation
- Free
- PDF
- Multilingual
tags_raw:
- AI
- Document-Translation
- Free
- PDF
- Multilingual
image: https://belindoc.com/lg2.png
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Plans
  url: plans/belindoc-com-plans-pricing.yml
- type: Spectral
  url: rules/belindoc-com-rules.yml
- type: JSONLD
  url: json-ld/belindoc-com-context.jsonld
- type: Vocabulary
  url: vocabulary/belindoc-com-vocabulary.yml
- type: DataModel
  url: data-model/belindoc-com-data-model.yml
- type: Authentication
  url: authentication/belindoc-com-authentication.yml
- type: Conformance
  url: conformance/belindoc-com-conformance.yml
- type: LLMsTxt
  url: llms/belindoc-com-llms.txt
- type: MCPServer
  url: mcp/belindoc-com-mcp.yml
- type: WellKnown
  url: well-known/belindoc-com-well-known.yml
- type: Hosts
  url: hosts/belindoc-com-hosts.yml
- type: Vendors
  url: vendors/belindoc-com-vendors.yml
- type: SDKs
  url: packages/belindoc-com-packages.yml
- type: Packages
  url: packages/belindoc-com-packages.yml
- type: ChangeLog
  url: https://belindoc.com/changelog
- type: DomainSecurity
  url: security/belindoc-com-domain-security.yml
- type: Website
  url: https://belindoc.com/
- type: Documentation
  url: https://belindoc.com/docs
- type: APIReference
  url: https://belindoc.com/api-docs
- type: Pricing
  url: https://belindoc.com/pricing
- type: Blog
  url: https://belindoc.com/blog
- type: TermsOfService
  url: https://belindoc.com/terms
- type: PrivacyPolicy
  url: https://belindoc.com/privacy
- type: DeveloperPortal
  url: https://belindoc.com/docs
apis:
- aid: belindoc-com:belindoc-com-api
  name: Belin Doc API
  description: 'Belin Doc API as documented publicly: 4 operations. Contract generated from the documentation by API Evangelist
    (2026-11-02); not the provider''s own document.'
  humanURL: https://belindoc.com/docs
  baseURL: https://belindoc.com/api
  properties:
  - type: OpenAPI
    url: openapi/_ae-authored/belindoc-com-openapi-generated.yml
    x-provenance: generated
  - type: JSONSchema
    url: json-schema/belindoc-com-put-api-external-translate-batchsubmittranslatetask-request-schema.json
  - type: JSONSchema
    url: json-schema/belindoc-com-post-api-external-translate-gettranslates3-downloadurl-response-schema.json
  - type: JSONSchema
    url: json-schema/belindoc-com-post-api-external-translate-searchtranslatefilebybatchno-response-schema.json
  - type: JSONSchema
    url: json-schema/belindoc-com-put-api-external-translate-batchsubmittranslatetask-response-schema.json
  - type: JSONSchema
    url: json-schema/belindoc-com-post-api-external-translate-gettranslates3-downloadurl-request-schema.json
  - type: JSONSchema
    url: json-schema/belindoc-com-post-api-external-translate-batchpresigneduploadurl-request-schema.json
x-coverage:
  state: gated
  reason: partner-login
  method: derived
  generated: '2026-11-02'
  generator: derive-coverage.py (pre-flight evidence)
  detail: the company serves an API surface but requires credentials before any description of it can be read
  evidence:
  - url: https://mcp.belindoc.com/api/mcp
    status: 401
  - url: https://belindoc.com/
    status: 200
x-enrichment:
  date: '2026-11-02'
  status: enriched
  artifacts_added: 32
  pass: modular-v1
  engine: identity=oss,contract=oss,surfaces=oss,docs=oss,regulatory=oss

Belin Doc API — frequently asked questions

Does Belin Doc have an API?

Yes. APIs.io lists 1 API from Belin Doc, including Belin Doc API.

Is there an OpenAPI specification for the Belin Doc API?

Yes. APIs.io indexes 1 OpenAPI specification for Belin Doc, each linked for download from this page.

How do I authenticate with the Belin Doc API?

Belin Doc uses bearer-token authentication (1 scheme). The details are profiled on APIs.io as Belindoc Com Authentication.

How much does the Belin Doc API cost?

APIs.io lists 2 pricing plans for Belin Doc, with each plan's price, limits and inclusions under Pricing Plans on this page.

Does Belin Doc have an MCP server?

Yes. APIs.io lists 1 MCP server for Belin Doc: Remote MCP server at mcp.belindoc.com.

Is the Belin Doc API ready for AI agents?

Belin Doc has a Kin Score of 40.0 out of 100 (developing) and an Agent Readiness score of 25.6 (agent-aware), scored by API Evangelist on 2026-11-02.

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