Head-to-head · B2B data

Blitz API vs Fiber AI

Fiber AI wins 26 of 38 decided metrics across 4 shared suites; the loser still leads where its column is highlighted. Same frozen test sets, same run; the better value in each row is highlighted.

Blitz API

API-first GTM data over 1B+ records (550M+ professional profiles, 100M+ job postings): ICP search, people, company and job search, employee finder and enrichment, with MCP.

No public reviews

Access: MCP · API

Fiber AI live

B2B search and enrichment API with waterfall contact reveal, job-posting search and live LinkedIn profile and company fetch, over REST, official SDKs and MCP.

No public reviews

Access: MCP · API · Dataset · CSV · Batch · Webhooks

Email Datacore + suite-specific metrics

updated 2026-09-25

Metric	Blitz API · #15 of 29	Fiber AI · #16 of 29
Match rate	57.1%	77.6%
Valid email rate	67.9%	63.2%
Latency p50	297ms	17,360ms
Cost / valid email	$0.154	$0.057
Invalid rate	0.0%	2.6%
Catch-all share	32.1%	31.6%
Business email	100.0%	100.0%
Right-person rate	100.0%	97.4%
Decoy hit rate	-	0.0%
Catch-all detection	-	-
Confidence-score quality	-	-
Geographic coverage	7	8

Phone Datacore + suite-specific metrics

updated 2026-09-25

Metric	Blitz API · #23 of 24	Fiber AI · #18 of 24
Match rate	34.7%	46.9%
Valid / reachable rate	76.5%	78.3%
Latency p50	348ms	4,967ms
Cost / mobile number	$0.226	$0.069
Right-person rate	78.6%	73.7%
Mobile coverage	26.5%	36.7%
Disconnected rate	0.0%	0.0%
Low-activity share	23.5%	21.7%
Landline / mobile classification	-	100.0%
Country accuracy	100.0%	91.3%
Geographic coverage	4	5

People Datacore + suite-specific metrics

updated 2026-09-25

Metric	Blitz API · #16 of 24	Fiber AI · #10 of 24
Profile match rate	91.8%	95.9%
Identity accuracy	93.3%	97.9%
Latency p50	294ms	1,136ms
Price / matched profile	$0.054	$0.036
Current employer accuracy	95.6%	89.4%
Move detection	-	94.2%
Decoy hit rate	-	0.0%
Job title accuracy	86.7%	78.7%
Seniority label accuracy	-	20.5%
Location accuracy	86.7%	95.7%
Work history completeness	7.7	7.8
Education completeness	100.0%	100.0%
Skills present	22.2%	57.4%
Social / profile URLs	100.0%	100.0%
Coverage by geo / function / seniority	75.0%	83.3%

Company Datacore + suite-specific metrics

updated 2026-09-25

Metric	Blitz API · #15 of 23	Fiber AI · #7 of 23
Domain-to-company match rate	97.0%	100.0%
Company name accuracy	94.8%	95.0%
Latency p50	522ms	1,131ms
Price / matched company	$0.051	$0.036
Industry accuracy	78.4%	77.0%
Employee count ±20%	26.0%	27.0%
HQ / location accuracy	82.5%	85.0%
Description present	96.9%	97.0%
Founding year accuracy	60.8%	69.0%
Domains / social profiles	97.9%	100.0%
Coverage by country / size	94.3%	100.0%

Live Profile Datacore + suite-specific metrics

updated 2026-09-26

Metric	Blitz API · not in suite	Fiber AI · #3 of 5
Current-job accuracy	-	93.1%
Fetch success	-	98.0%
Latency p50	-	5,381ms
Cost / profile	-	$0.037
Move detection	-	94.2%
Still at previous employer	-	4.8%
Control accuracy	-	91.8%
Work history completeness	-	8.6
Education completeness	-	99.0%

Jobs Datacore + suite-specific metrics

updated 2026-09-25

Metric	Blitz API · #5 of 6	Fiber AI · not measured
Employer coverage	91.7%	-
Postings recall	73.2%	-
Latency p50	2,143ms	-
Cost / job	$0.019	-
Closed or unknown postings	71.2%	-
Duplicate postings	22.2%	-
Location accuracy	93.1%	-
Posted-date accuracy	58.4%	-
Description present	0.0%	-
Coverage by country	88.9%	-

Technographic Datacore + suite-specific metrics

updated 2026-09-25

Metric	Blitz API · not in suite	Fiber AI · #10 of 10
Coverage	-	83.0%
Detection accuracy	-	18.0%
Latency p50	-	1,131ms
Cost / lookup	-	$0.043
Live stack recall	-	6.6%
Technologies per domain	-	3
Dated results	-	0.0%
Coverage by geo / size	-	65.0%

Questions about Blitz API vs Fiber AI

Which is better, Blitz API or Fiber AI?

Fiber AI wins 26 of the 38 metrics decided between them, across 4 benchmarks that measured both. Leaderboard ranks: Email Data: Blitz API #15 of 29, Fiber AI #16 of 29; Phone Data: Blitz API #23 of 24, Fiber AI #18 of 24; People Data: Blitz API #16 of 24, Fiber AI #10 of 24; Company Data: Blitz API #15 of 23, Fiber AI #7 of 23.

Which is cheaper, Blitz API or Fiber AI?

Measured on the list price of each provider's central self-serve pack, divided by what it actually returned: Email Data, cost per valid email: Blitz API $0.154, Fiber AI $0.057; Phone Data, cost per mobile number: Blitz API $0.226, Fiber AI $0.069; People Data, price per matched profile: Blitz API $0.054, Fiber AI $0.036; Company Data, price per matched company: Blitz API $0.051, Fiber AI $0.036.

How do Blitz API and Fiber AI compare in user reviews?

Blitz API has no public reviews on G2, Capterra, TrustRadius or Trustpilot; Fiber AI has no public reviews on G2, Capterra, TrustRadius or Trustpilot. Ratings belong to their platforms and play no part in the benchmark grades.

How can you get data out of Blitz API and Fiber AI?

Blitz API offers an MCP server and an API; Fiber AI offers an MCP server, an API, dataset delivery, CSV export, batch endpoints and webhooks. Both offer an MCP server and an API.