# TranslatePlus (slim)

> TranslatePlus is a machine translation API from PetaBytes, Inc. for text, batches, HTML, emails, subtitles and i18n files in more than 100 languages, with language detection, priced per request.

- Full: https://www.anchorterminal.com/tools/translateplus.md (~6,100 tokens) · this version ~1,430 tokens · JSON https://www.anchorterminal.com/tools/translateplus.json · canonical https://www.anchorterminal.com/tools/translateplus
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-11-07 · pricing https://www.anchorterminal.com/tools/translateplus#pricing · reviews https://www.anchorterminal.com/tools/translateplus#reviews
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

**E · 39.7/100 · rank #1316 of 1486 · #14 in Translation · not agent-ready · confidence medium**


Assessment: TranslatePlus has a simple key-in-header REST API with per-request prices from $0.0001, a 5,000-request free plan, batch, HTML, subtitle and i18n endpoints and documented 429 handling. Its changelog and SDKs haven't changed since January 2026 or earlier, the status page is stale, and llms.txt promises an SLA the terms disclaim.

## Facts

- Kind: HTTP API · vendor: PetaBytes, Inc. · category: Translation · legal entity: PetaBytes, Inc. · provenance 81/100
- Local only (HTTP): pypi `translateplus-python`, npm `translateplus-js`
- Auth: API key · pricing: Freemium · x402: no · licence: unknown
- Benchmark probes: not run yet, so Performance is pending
- Vendor status page: not read, no machine-readable status found (2026-11-07 04:48 UTC)
- Surface listed: The REST API at api.translateplus.io, read from docs.translateplus.io, both llms.txt files, the pricing, terms, privacy and about pages, status.translateplus.io, PyPI and npm on 6 November 2026. No account was made and no key was used
- Endpoints: /v2/translate, /v2/translate/batch, /v2/translate/html, /v2/translate/email, /v2/translate/subtitles, /v2/i18n/jobs, /v2/language/detect, /v2/language/supported and /v2/user/account; v1 kept as legacy
- Rate limits: 100,000 requests a minute and 100,000,000 an hour per key in the docs guide; llms.txt gives 50 requests a second on the Free plan
- Status page: status.translateplus.io, own page, showing 'All systems unknown' and a last update of 22 January 2026 on 6 November 2026
- Data handling: Translation requests not permanently stored unless required by law (terms) or for caching or service improvement (privacy policy)
- Legal entity: PetaBytes, Inc., a US corporation, per the terms and about page, with no address or governing law given
- Prices: Request after the free tier $0.001 per call; Basic plan $49 per month (plan); Mega plan $299 per month (plan)

- Scores: Reliability 45, Performance pending, Schema & documentation 52, Agent ergonomics 61, Security & auth 35, Payments & pricing 30, Task success pending, Maintenance & community 10, Transparency & trust 52 · negative events -3 · total over the 7 assessed categories
- Why: Reliability, Hosted lines. · Schema & documentation, No OpenAPI or other machine-readable contract found in the docs or either llms.txt (0). · Agent ergonomics, API reading. · Security & auth, One API key per account in the X-API-KEY header, which the docs say 'carries full access to your account's resources', and can be revoked in… · Payments & pricing, No x402, MPP or L402 (0). · Maintenance & community, The newest dated change found is translateplus-python 2.0.7 and translateplus-js 2.0.1 on 11 January 2026, about ten months before this chec… · Transparency & trust, Editorial half only.
- Sources: 12, open questions: 5, both in the full twin
- Capabilities: translate.text, translate.documents, translate.detect
- JSON: https://www.anchorterminal.com/api/v1/tools/translateplus.json
- Verify (for the vendor): the badge `https://www.anchorterminal.com/badges/translateplus.svg` or a link to https://www.anchorterminal.com/tools/translateplus from a page on translateplus.io or one of its subdomains, or the README at the root of github.com/translateplus/translateplus-js, then `POST https://www.anchorterminal.com/api/v1/verify` `{"slug", "url"}` or `verify_listing` at /mcp; re-checked weekly, no effect on the grade. Snippets in the full twin.
- Support: support@translateplus.io; https://translateplus.io/contact; https://docs.translateplus.io/; more in the full twin

## Before you call it

1. Send the key as X-API-KEY; there is no read-only or scoped key
2. Use /v2/translate/batch for up to 100 texts instead of looping single calls
3. Keep each text under the plan's per-request character limit (500 on Free, up to 2,000 on Mega)
4. On 429 wait until X-RateLimit-Reset, then retry a few times at most
5. Don't rely on an SLA; the terms don't guarantee uptime

## Connect

```bash
pip install translateplus-python
```

```bash
curl -X POST https://api.translateplus.io/v2/translate -H "X-API-KEY: $TRANSLATEPLUS_API_KEY" -H "Content-Type: application/json" -d '{"text":"Hello","source":"en","target":"fr"}'
```
Full config and headless snippets are in the full page. Through letme (picks today, calling later): https://letme.dev/translateplus

## Similar tools

| Tool | Grade | Score | Shared capabilities | Slim |
| --- | --- | --- | --- | --- |
| Amazon Translate | BB | 75 | translate.text, translate.documents, translate.detect | https://www.anchorterminal.com/tools/amazon-translate.min.md |
| Azure Translator | BB | 72 | translate.text, translate.documents, translate.detect | https://www.anchorterminal.com/tools/azure-translator.min.md |
| Google Cloud Translation | B | 69.9 | translate.text, translate.documents, translate.detect | https://www.anchorterminal.com/tools/google-cloud-translation.min.md |
| Crowdin | B | 69.6 | translate.text, translate.documents, translate.detect | https://www.anchorterminal.com/tools/crowdin.min.md |
| DeepL API | B | 69.1 | translate.text, translate.documents, translate.detect | https://www.anchorterminal.com/tools/deepl-api.min.md |


## Panel reviews (0, desk reviews from public material, no calls made)