For developers + platforms

UK payroll intelligence, as an API.

Name: PayslipIQ
Author: PayslipIQ

REST API. OpenAPI spec. Sandbox + production keys. Per-call billing. From £49/month including 10,000 calls.

Endpoints (preview)

v1 launches Q4 2026. Join the developer waitlist for sandbox access on day one.

POST/v1/analyse

Full UK payslip analysis. Send image (base64 or URL) or manual JSON. Returns extracted figures + anomaly flags + plain-English explanation.

POST/v1/extract

OCR-only. Send image, get structured fields (gross, net, tax, NI, pension, tax code, etc).

POST/v1/score

Anomaly score only. Send extracted fields (your own OCR), get a 0-100 confidence score on whether the payroll is correct.

POST/v1/decode-tax-code

Decode any UK tax code (1257L, BR, K500, S1000L, C0T, etc). Returns rUK/Scottish/Welsh band, allowance, basis (cumulative/W1/M1).

GET/v1/glossary

List all UK payroll glossary terms with definitions and slugs. Cacheable.

GET/v1/usage

Your API key usage: calls this period, tier limit, billing cycle.

curl -X POST https://api.payslipiq.co.uk/v1/analyse \

-H "Authorization: Bearer YOUR_API_KEY" \

-H "Content-Type: application/json" \

-d '{"image":"data:image/jpeg;base64,..."}'

Rate limits per key: Starter 10k/mo, Pro 100k/mo, Enterprise unlimited. Burst limit: 30 req/sec on Pro+. Idempotency-Key header supported.

Get sandbox access at launch + locked-in founding-developer pricing.