Platform & Safety
PII detection & redaction
Finds and removes personal data from text before it reaches a model or a log.
Cheapest right now
As of October 2026, the cheapest API for pii detection & redaction is Amazon Comprehend PII detection from Amazon Web Services at $1.00 per 1M characters, then Sapling PII endpoint from Sapling at $2.00. Prices verified Oct 18, 2026 against each provider's pricing page; confirm there before you buy.
What it is
PII redaction services scan text (and sometimes audio, images or documents) for personal data such as names, email addresses, phone and card numbers, addresses and health details, then mask, remove or replace it. Teams use them to keep personal data out of prompts, logs and training data.
How pricing works
Billed per amount of text scanned, usually per character, per 100-character unit or per request, with volume tiers. We list the price for one million characters of text at the first paid tier.
We compare everything in one unit: USD per 1M characters.
Typical uses
- Cleaning prompts before sending them to a model provider
- Masking personal data in logs and analytics
- Preparing data for model training or sharing
- Meeting privacy rules such as GDPR and HIPAA
- Redacting call transcripts
What to compare
- Kinds of personal data detected
- Accuracy and missed detections on your text
- Languages
- Support for audio, images and documents
- Replacing with fake but realistic values (pseudonymisation) versus masking
Watch out for
- No detector finds everything; test on your own data before relying on it for compliance.
- Some services bill a minimum per request, which dominates for short texts.
- Sending data to a redaction service is itself a data transfer; check where it is processed.
All 3 APIs, cheapest first
Free to browse| API | $ / 1M chars | Data types detected | Languages | Inputs | Quality | Price data | Compare |
|---|---|---|---|---|---|---|---|
| Google Cloud Sensitive Data Protection (DLP) Google (Gemini / Vertex) | $0.005 | — | — | text, images | – | Unverified sample | |
| Amazon Comprehend PII detection Amazon Web Services | $1.00 | — | — | text | – | Verified Oct 18, 2026 | |
| Sapling PII endpoint Sapling | $2.00 | — | — | text | – | Verified Oct 18, 2026 |
Questions
- What is the cheapest API for pii detection & redaction?
- Amazon Comprehend PII detection from Amazon Web Services at $1.00 per 1M characters, verified Oct 18, 2026. Proxlai ranks 2 verified offerings in this market in the same unit.
- How is API pricing for pii detection & redaction compared?
- Billed per amount of text scanned, usually per character, per 100-character unit or per request, with volume tiers. We list the price for one million characters of text at the first paid tier. Proxlai converts every offering to one unit, USD per 1M characters, so prices can be ranked side by side.
- How current are these prices?
- Each price shows the date it was last checked against the provider's own pricing page and links to it. In this market, prices were verified Oct 18, 2026. Sample prices that have not been checked yet are left out of this summary.