Open API PricingOpen API Pricing

Fiber API pricing: plans, free tier and what to watch for

By the Open API Pricing research team · Verified Oct 7, 2026

Fiber API pricing at a glance: Prospector $300/mo, Growth $900/mo, Enterprise $2,400/mo, Bulk / datasets From $1,000/mo (datasets)

The short answer

Fiber is billed credit-based ($0.02/credit) on monthly plans. It has no free tier (7-day trial (card required per pricing page; cardless quickstart on homepage)). The paid plans we list start at $300/mo (Prospector).

Plans and prices

PlanPriceWhat it covers
Prospector$300/mo15,000 credits; full API access; 17% off annually.
Growth$900/mo50,000 credits.
Enterprise$2,400/mo150,000 credits.
Bulk / datasetsFrom $1,000/mo (datasets)High-volume search (500K-unlimited credits) and pre-built datasets from 500K entities.
Trial$0 for 7 daysFull product access; payment method required per pricing page, not charged until day 8.

How Fiber bills you

The pricing model is credit-based ($0.02/credit) on monthly plans. Y Combinator-backed API-first B2B data platform (40M+ companies, 850M+ people) with agent-native docs, Node and Python SDKs and three MCP servers, but a $300/month minimum, a card-required trial and thin public track record. Best suited to: agent-native sales and recruiting data pipelines.

What to watch for on the bill

The pricing page we read

Fiber pricing page, captured for reference
Capture of www.fiber.ai. Captured from Germany, so some vendors show local prices or currency. Listed prices are verified Oct 7, 2026. The live page may differ.

Source: https://www.fiber.ai/pricing. Prices change, so confirm there before you commit.

Compare Fiber with alternatives

Other data enrichment apis: Crustdata, People Data Labs, Bright Data, Apollo.io, Hunter.

Looking at quality rather than price? See the Fiber score on APIbenchmarks. Full entry: Fiber pricing.