State of API developer portals

A detailed review of top 100 API companies about how they expose, manage and monetize their APIs.

Alexandre Airvault

State of API developer portals

A detailed review of top 100 API companies about how they expose, manage and monetize their APIs.

Alexandre Airvault

Methodology

We collected information from 100 API-first businesses across world based on the funding they got. We selected those API-first companies according to the funding they had raised. We also ensured that our approach covered the list of 70 API portals identified by GGV capital here.

We collected firmographic and traffic data with tools like SEMRush to understand traffic sources. Each portal and API was manually tested whenever possible. The data was collected manually through a detailed review of each portal.

We first looked at the top 10 companies that received the most funding to establish the criteria for evaluating API portals. This led to a grid with all the features we needed to look at and consider. Then, we iterated three times on the analysis grid with features found as potential key differentiators in less funded companies. We collected and stored screenshots to compare them in terms of design and share identified best practices. Below is the list of top API companies we have reviewed.

If you think that additional API companies should be reviewed in our next report, please contact us here with the name of the company to be reviewed and what aspects stand out in terms of  developer experience.

List of companies reviewed during this report

NAME

AMOUNT RAISED

Stripe

$2,200,000,000

Dropbox

$1,707,220,000

Okta

$1,229,250,000

MessageBird

$1,100,120,000

Rapyd

$770,000,000

Plaid

$734,300,000

Checkr

$679,000,000

Twillio

$614,400,000

Alchemy

$563,000,000

DriveWealth

$550,800,000

ClickUp

$537,500,000

Foursquare

$390,350,000

Contentful

$349,600,000

Algolia

$334,220,000

Mapbox

$334,180,000

Fabric

$293,500,000

Nium

$285,000,000

TrueLayer

$271,480,000

Persona

$217,500,000

Alloy

$207,800,000

Sendcloud

$200,910,000

Sendinblue

$197,700,000

Railsbank

$187,300,000

Codat

$176,810,000

Nexhealth

$176,760,000

Nylas

$175,000,000

Mux

$174,000,000

League

$171,140,000

Zero Hash

$169,850,000

Cover Genius

$165,090,000

Cohere

$164,950,000

Ardoq

$163,880,000

Shippo

$154,280,000

Datadog

$147,900,000

PubNub

$134,100,000

Modern Treasury

$133,000,000

Kraken

$130,000,000

AirSlate

$130,000,000

Stytch

$126,250,000

Finix

$126,000,000

Check

$119,000,000

Talend

$101,580,000

Truework

$94,900,000

EasyPost

$88,700,000

Bitmovin

$87,320,000

Fidel API

$86,090,000

Deepgram

$85,920,000

Radar

$85,500,000

Fauna

$84,610,000

Lob

$82,260,000

Solid

$80,800,000

EMnify

$79,900,000

Pinwheel

$77,000,000

Sardine

$75,600,000

Stedi

$74,980,000

Merge

$74,500,000

Dwolla

$72,360,000

Alpaca

$71,800,000

Coterie

$70,000,000

Skyflow

$70,000,000

Unit

$69,600,000

Yapily

$69,400,000

Zonos

$69,000,000

Atomic

$68,560,000

Gretel

$67,700,000

AssemblyAI

$63,120,000

Daily

$62,220,000

Orum

$62,200,000

Stream

$58,060,000

Prefect

$57,600,000

RevenueCat

$56,500,000

Duffel

$56,200,000

Lokalise

$56,000,000

Belvo

$56,000,000

PandaDoc

$51,060,000

OverOps

$49,500,000

Courier

$47,500,000

Automile

$47,300,000

Sharpencx

$46,700,000

Breezometer

$45,050,000

Flock

$45,000,000

Hevo

$43,000,000

Returnly

$30,220,000

Rutter

$28,500,000

Patch

$26,450,000

Symbl.AI

$23,740,000

Scoro

$23,500,000

Nucleus

$23,100,000

Finleap

$22,000,000

Conekta

$21,700,000

Sila

$20,700,000

Youmail

$19,930,000

Finch

$18,600,000

Proxyclick

$18,500,000

Gethealthie

$17,900,000

Mailjet

$17,600,000

Chatwork

$15,000,000

Hosta

$14,740,000

TimeLog

$13,100,000

Ribbon

$10,300,000

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