MessyAPI
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Messy data in.
Clean, usable data out.

Clean files, remove duplicate contacts and mask sensitive information—with one API for your apps and AI agents.

Try MessyAPI Free See How It Works
Example resultillustrative
Record 1
name
Before: jane DOE
After: Jane Doe(changed)
email
Before: Jane.Doe@Example.com
After: Jane.Doe@Example.com
phone
Before: (555) 123-4567
After: +15551234567(changed)
company
Before: acme inc
After: acme inc
note
Before: —
After: —

Illustrative: 4 names fixed · 4 phones standardized · 1 invalid email flagged for review. Press Run demo to process these 4 synthetic records for real. No account, nothing stored.

How it works

  1. 1

    Add data

    Records as JSON, a CSV converted to rows, or text.

  2. 2

    Choose what to do

    Pick a task or describe your task.

  3. 3

    Get usable results

    Cleaned records, flagged problems and a step report.

Real screens, not mockups

See the evidence for yourself

messyapi.com/status
MessyAPI Status page

Health checks every minute, 30-day history.Open status →

One API. Everyday data tasks, handled.

See everything MessyAPI can do →

  • Clean

    Fix names, phones, addresses and URLs.

    injane DOE
    outJane Doe

  • Validate

    Flag bad emails and invalid formats.

    injane@gmail
    outinvalid · no domain ending

  • Match

    Group likely duplicates without deleting them.

    inDoe, Jane · jane DOE
    outsame person

  • Transform

    Reshape data into the fields you need.

    inraw CSV columns
    outthe fields your CRM expects

  • Protect

    Find and mask sensitive data.

    inSSN 123-45-6789
    outSSN [SSN]

  • Check the run

    See record counts, required-field checks and skipped steps.

    in4 records in
    out4 out · 0 steps skipped
For AI

Give your AI better data tools.

Connect MessyAPI to your AI app or agent and give it ready-made tools for working with real-world data.

MCP server · REST API · guides for Zapier, n8n and Make

Connect Your AI
Agent → messy_cleanexample
goal: "fix phones and flag bad emails"
plan: normalize-phone → validate-email
{ "phone": "+15551234567" }
{ "email": "bob@@company", "valid": false }
For developers

One API. Your whole data toolbox.

Add cleaning, validation, matching and data protection to your app without rebuilding each tool.

Developer QuickstartAPI Reference
curl -X POST https://messyapi.com/api/v1/ai/clean \
  -H "Authorization: Bearer $MESSYAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "goal": "prepare these leads for HubSpot",
  "records": [
    {
      "name": "jane DOE",
For agencies

Build once. Use across clients.

Connect MessyAPI once and use it across the apps and AI agents you build for customers.

  • Build faster. Stop rebuilding common data tools.

  • Manage clients. Separate keys, usage, permissions and spending.

  • Grow revenue. Include MessyAPI-powered features in what you sell.

MessyAPI for Agencies
Monthly limit usedillustrative · sample clients
  • Northwind Dental6,200 / 10,000 · 62%
  • Blue Pine Realty1,400 / 5,000 · 28%
  • Oak & Iron Gyms1,820 / 2,000 · 91%
Trust

Control how AI uses your data.

MessyAPI limits what each key and agent can do, protects sensitive information, reports what each run did and logs API calls.

Protect

Sensitive values are found and masked.

SSN 123-45-6789 → SSN [SSN]

Control

Per-key permissions and daily limits.

scopes: Clean, Validate · 500 records/day

Verify

See what changed in every run. Review record counts, reported changes and skipped steps.

4 in → 4 out · 0 steps skipped

Audit

Each API call is logged with its endpoint, status and record count.

ai/clean · 200 · 4 records · req_8f2…

Examples use synthetic data.

How MessyAPI keeps data safe →

Stop rebuilding the boring data stuff.

Tell MessyAPI what you need and get back usable data.

Start Free View Documentation