Fiber API pricing

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.

No free tierBilled credit-based ($0.02/credit) on monthly plans·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)

Free tier

7-day trial (card required per pricing page; cardless quickstart on homepage)

Plans and prices

Plan	Price	What it covers
Prospector	$300/mo	15,000 credits; full API access; 17% off annually.
Growth	$900/mo	50,000 credits.
Enterprise	$2,400/mo	150,000 credits.
Bulk / datasets	From $1,000/mo (datasets)	High-volume search (500K-unlimited credits) and pre-built datasets from 500K entities.
Trial	$0 for 7 days	Full product access; payment method required per pricing page, not charged until day 8.

What to watch for on the bill

No free tier; entry plan $300/month
Trial requirements conflict between homepage and pricing page
Contact reveals cost 2-5 credits each

The pricing page, as we saw it

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. Confirm on the vendor page before you commit.

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Read the Fiber pricing guide Quality score on APIbenchmarks →