Person lookup
Find a verified work email from a name and company.
B2B data in small, affordable bytes
Buy only the contacts you need, one byte at a time.
ProspectBytes is a B2B contact and company data API with pay-as-you-go pricing. Look up a person, enrich a domain or pull a micro-list without an annual contract.
GET /v1/person?name=ana+rivera&domain=riverafreight.com
{
"email": "ana@riverafreight.com",
"title": "CFO", "verified": true
}
What ProspectBytes does
Pay-per-contact B2B data API. Every service below can be taken on its own or combined into one plan.
Company enrichment
Size, industry, revenue band and tech stack from a domain.
Micro-lists
Pull 10 to 500 contacts matching a filter.
REST API
Simple JSON endpoints with clear docs.
Google Sheets add-on
Enrich a spreadsheet without code.
No contracts
Credits never expire; pay for what you use.
How it works
A clear, four-step process so you always know what happens next and when.
Sign up
Get an API key and free credits.
Query
Call the API or use the Sheets add-on.
Verify
Each email checked in real time.
Pay
Top up credits as you go.
Who we work with
Built for teams that want dependable results without managing another vendor closely.
DevelopersGrowth teamsSmall agenciesFoundersData teams
1 creditper contact
Noannual contract
100free credits
Ready when you are.
Tell us a little about your business and we will reply within one working day with next steps.