New33+ REST endpoints — CSV, JSON, PDF, extractionThe data toolkit,
The data toolkit,
now an API
One key. One base URL. Convert, clean, extract, and generate — for CSV, JSON, YAML, PDF and more — without managing any infrastructure.
curl https://csvtoolsonline.com/api/v1/csv/to-json \
-H "Authorization: Bearer ctok_live_***" \
-d '{"csv":"name,age\nAlice,30"}' 200 OK · 42msPOST /v1/csv/to-json
100 free calls / month
99.9% uptime
No credit card
Getting started
Quickstart
From zero to your first API call in under two minutes.
1
Create an account
Sign in with email or Google to access the developer dashboard.
2
Generate a key
Create a key in your dashboard. You'll see the raw token once — store it safely.
3
Make a request
Pass your key as a Bearer token and call any endpoint over HTTPS.
Auth
Authentication
The API uses bearer-token authentication. Pass your key in the Authorization header on every request.
Authorization header
Required
Authorization: Bearer ctok_live_xxxxxxxxxxxxxxxxxxxx
Keep keys server-side. Never expose API keys in client-side code or commit them to git. Use environment variables and rotate keys regularly.
Reference
Endpoints
Base URL https://csvtoolsonline.com/api. Click any category to expand.
POST/v1/csv/to-jsonConvert CSV text into a JSON array.
POST
/v1/csv/to-jsonConvert CSV text into a JSON array.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/csv/to-json \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d '{ "csv": "name,age\nAlice,30" }'
POST/v1/json/to-csvConvert JSON array into CSV text.
POST
/v1/json/to-csvConvert JSON array into CSV text.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/json/to-csv \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d '{ "data": [{"name":"Alice","age":30}] }'
POST/v1/csv/to-excelConvert CSV to .xlsx workbook.
POST
/v1/csv/to-excelConvert CSV to .xlsx workbook.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/csv/to-excel \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d '{ "csv": "a,b\n1,2" }'
POST/v1/csv/to-xmlConvert CSV to XML document.
POST
/v1/csv/to-xmlConvert CSV to XML document.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/csv/to-xml \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d '{ "csv": "id,name\n1,Acme" }'
POST/v1/csv/to-markdownConvert CSV to a Markdown table.
POST
/v1/csv/to-markdownConvert CSV to a Markdown table.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/csv/to-markdown \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d '{ "csv": "a,b\n1,2" }'
POST/v1/csv/cleanTrim whitespace, remove duplicates and empty rows.
POST
/v1/csv/cleanTrim whitespace, remove duplicates and empty rows.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/csv/clean \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d '{ "csv": "...", "ops": ["trim","dedupe"] }'
POST/v1/csv/mergeMerge multiple CSV files by columns or rows.
POST
/v1/csv/mergeMerge multiple CSV files by columns or rows.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/csv/merge \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d '{ "files": ["...","..."] }'
POST/v1/json/to-yamlConvert JSON to YAML.
POST
/v1/json/to-yamlConvert JSON to YAML.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/json/to-yaml \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d '{ "data": {"a":1} }'
POST/v1/yaml/to-jsonConvert YAML to JSON.
POST
/v1/yaml/to-jsonConvert YAML to JSON.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/yaml/to-json \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d '{ "yaml": "a: 1" }'
POST/v1/json/to-sqlGenerate SQL INSERT statements from JSON.
POST
/v1/json/to-sqlGenerate SQL INSERT statements from JSON.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/json/to-sql \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d '{ "data": [...], "table": "users" }'
POST/v1/json/minifyMinify or beautify a JSON payload.
POST
/v1/json/minifyMinify or beautify a JSON payload.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/json/minify \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d '{ "data": {...}, "mode": "minify" }'
POST/v1/xml/to-jsonConvert XML to JSON.
POST
/v1/xml/to-jsonConvert XML to JSON.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/xml/to-json \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d '{ "xml": "<root/>" }'
POST/v1/csv/to-parquetConvert CSV to Apache Parquet.
POST
/v1/csv/to-parquetConvert CSV to Apache Parquet.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/csv/to-parquet \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d '{ "csv": "..." }'
POST/v1/pdf/compressReduce PDF file size with quality presets.
POST
/v1/pdf/compressReduce PDF file size with quality presets.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/pdf/compress \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d 'multipart: file'
POST/v1/pdf/mergeMerge multiple PDFs into one.
POST
/v1/pdf/mergeMerge multiple PDFs into one.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/pdf/merge \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d 'multipart: files[]'
POST/v1/pdf/splitSplit a PDF by page ranges.
POST
/v1/pdf/splitSplit a PDF by page ranges.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/pdf/split \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d 'multipart: file, ranges'
POST/v1/pdf/to-textExtract plain text from a PDF.
POST
/v1/pdf/to-textExtract plain text from a PDF.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/pdf/to-text \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d 'multipart: file'
POST/v1/pdf/ocrOCR scanned PDFs and images.
POST
/v1/pdf/ocrOCR scanned PDFs and images.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/pdf/ocr \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d 'multipart: file'
POST/v1/pdf/to-imageRender PDF pages to PNG/JPG.
POST
/v1/pdf/to-imageRender PDF pages to PNG/JPG.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/pdf/to-image \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d 'multipart: file'
POST/v1/pdf/to-wordConvert PDF to editable .docx.
POST
/v1/pdf/to-wordConvert PDF to editable .docx.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/pdf/to-word \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d 'multipart: file'
POST/v1/pdf/protectPassword-protect a PDF.
POST
/v1/pdf/protectPassword-protect a PDF.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/pdf/protect \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d 'multipart: file, password'
POST/v1/pdf/unlockRemove password from an owned PDF.
POST
/v1/pdf/unlockRemove password from an owned PDF.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/pdf/unlock \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d 'multipart: file, password'
POST/v1/pdf/watermarkApply text or image watermark.
POST
/v1/pdf/watermarkApply text or image watermark.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/pdf/watermark \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d 'multipart: file, text'
POST/v1/extract/emailsExtract validated email addresses.
POST
/v1/extract/emailsExtract validated email addresses.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/extract/emails \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d '{ "text": "..." }'
POST/v1/extract/phonesExtract phones in E.164 format.
POST
/v1/extract/phonesExtract phones in E.164 format.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/extract/phones \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d '{ "text": "...", "defaultCountry": "US" }'
POST/v1/extract/urlsExtract URLs from any text.
POST
/v1/extract/urlsExtract URLs from any text.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/extract/urls \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d '{ "text": "..." }'
POST/v1/extract/regexRun a regex match on input text.
POST
/v1/extract/regexRun a regex match on input text.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/extract/regex \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d '{ "text": "...", "pattern": "\\d+" }'
POST/v1/generate/uuidGenerate v4 UUIDs in bulk.
POST
/v1/generate/uuidGenerate v4 UUIDs in bulk.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/generate/uuid \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d '{ "count": 10 }'
POST/v1/generate/ulidGenerate ULIDs in bulk.
POST
/v1/generate/ulidGenerate ULIDs in bulk.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/generate/ulid \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d '{ "count": 10 }'
POST/v1/generate/passwordGenerate strong passwords.
POST
/v1/generate/passwordGenerate strong passwords.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/generate/password \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d '{ "length": 24, "count": 5 }'
POST/v1/generate/mock-csvGenerate realistic mock CSV data.
POST
/v1/generate/mock-csvGenerate realistic mock CSV data.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/generate/mock-csv \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d '{ "rows": 100, "schema": [...] }'
POST/v1/timestamp/convertConvert between unix and ISO formats.
POST
/v1/timestamp/convertConvert between unix and ISO formats.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/timestamp/convert \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d '{ "value": 1717400000 }'
POST/v1/jwt/signSign a JWT with HS256/RS256.
POST
/v1/jwt/signSign a JWT with HS256/RS256.
Example requestcURL
curl https://csvtoolsonline.com/api/v1/jwt/sign \ -H "Authorization: Bearer ctok_live_***" \ -H "Content-Type: application/json" \ -d '{ "payload": {...}, "secret": "..." }'
Plans
Pricing that grows with you
Start free — no credit card required. Switch plans, add capacity, or cancel anytime.
Free
For hobby & testing
$0/mo
Forever free
- 100 requests/mo
- 10 / min rate limit
- 2 MB max payload
- 1 API key
- Community support
Starter
For indie developers
$19/mo
Billed monthly
- 10,000 requests/mo
- 60 / min rate limit
- 10 MB max payload
- 10 API keys
- Email support
MOST POPULAR
Pro
For growing startups
$79/mo
Billed monthly
- 100,000 requests/mo
- 300 / min rate limit
- 50 MB max payload
- 10 API keys
- Priority support
Business
For teams & companies
$299/mo
Billed monthly
- 1,000,000 requests/mo
- 1,000 / min rate limit
- 100 MB max payload
- Unlimited keys
- SLA + Slack channel
No credit card to start Cancel anytime Upgrade or downgrade instantly Secure payments via Stripe
Annual savings calculator
Drag the slider to pick the plan that matches your usage and see how much you save by paying yearly.
Selected planPro
Pay monthly
$948/yr
$79 × 12 months
Pay yearly
$756/yr
$63/mo billed annually
You save
$192
per year (20% off)
Optional add-ons
Stack on top of any paid plan · cancel anytimeNeed more horsepower? Boost specific capabilities without jumping to a bigger plan.
Higher file size
Raise per-request payload from 50 MB to 500 MB.
+$20/mo
Priority processing
Up to 5× faster job runtime on shared infrastructure.
+$30/mo
Async + Webhooks
Long-running jobs with status callbacks to your URL.
+$15/mo
Dedicated IP
A static outbound IP for IP-allowlisted integrations.
+$40/mo
Extended retention
Keep request/response logs for 90 days (default 7).
+$10/mo
Custom API domain
Serve the API from api.yourdomain.com with TLS.
+$25/mo
Compare all features
A side-by-side look at every plan, so you can pick with confidence.
Scroll horizontally to compare plans
| Feature | Free | Starter | Pro | Business |
|---|---|---|---|---|
| Monthly API requests | 100 | 10,000 | 100,000 | 1,000,000 |
| Rate limit | 10 / min | 60 / min | 300 / min | 1,000 / min |
| Max payload per request | 2 MB | 10 MB | 50 MB | 100 MB |
| API keys | 1 | 10 | 10 | Unlimited |
Scroll horizontally to compare plans
| Feature | Free | Starter | Pro | Business |
|---|---|---|---|---|
| All 33+ endpoints | ||||
| HTTPS + Bearer auth | ||||
| Async jobs & webhooks | ||||
| Priority processing | ||||
| Custom API domain |
Scroll horizontally to compare plans
| Feature | Free | Starter | Pro | Business |
|---|---|---|---|---|
| Audit log retention | 7 days | 7 days | 30 days | 90 days |
| SLA | — | — | 99.9% | 99.95% + credits |
| Support | Community | Priority | Slack + SLA |
| Feature | Free $0/mo | Starter $19/mo | Pro $79/mo | Business $299/mo |
|---|---|---|---|---|
| Usage & limits | ||||
| Monthly API requests | 100 | 10,000 | 100,000 | 1,000,000 |
| Rate limit | 10 / min | 60 / min | 300 / min | 1,000 / min |
| Max payload per request | 2 MB | 10 MB | 50 MB | 100 MB |
| API keys | 1 | 10 | 10 | Unlimited |
| Capabilities | ||||
| All 33+ endpoints | ||||
| HTTPS + Bearer auth | ||||
| Async jobs & webhooks | ||||
| Priority processing | ||||
| Custom API domain | ||||
| Support & compliance | ||||
| Audit log retention | 7 days | 7 days | 30 days | 90 days |
| SLA | — | — | 99.9% | 99.95% + credits |
| Support | Community | Priority | Slack + SLA | |
Reliability
Errors & rate limits
Every response includes X-RateLimit-Remaining and X-Quota-Remaining headers.
200OK
Request succeeded.
400Bad Request
Malformed input or validation error.
401Unauthorized
Missing or invalid API key.
402Payment Required
Monthly quota exceeded — upgrade your plan.
429Too Many Requests
Rate limit exceeded. Retry after the delay in the header.
500Server Error
Something went wrong on our end. Retries are safe.
Your developer dashboard
Create & revoke API keys, watch quota usage in real time, and manage billing — all in a private workspace.