API Platform vs Mastra

API Platform vs Mastra, compared side by side on 16 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: API Platform is on 16/100 and Mastra on 77/100.

API Platform logo
API PlatformOpen-source framework for building and documenting APIs with a focus on developer experience.
Try API Platform
Mastra logo
MastraAn open-source TypeScript/JavaScript framework for building AI agents, from the creators of Gatsby.
Try Mastra

Where each one leads

API Platform

Leads on none of the measures we hold for both companies.

Mastra

  • our overall score: 77/100 against 16/100
  • agent readiness: 58/100 against 36/100

At a glance

MeasureAPI PlatformMastra
What it isOpen-source framework for building and documenting APIs with a focus on developer experience.An open-source TypeScript/JavaScript framework for building AI agents, from the creators of Gatsby.
CategoryAPI Platform, Developer Tools, Open Source, MLOpsAgentic AI, AI Agents, Developer Tools, Open Source
Sells toBusiness modelB2BB2B
OfferingPlatformPlatform
Founded20172024
HeadquartersParis, FranceSan Francisco, United States
StatusActiveActive

Size, funding and growth

MeasureAPI PlatformMastra
EmployeesNot published53
Headcount growthLast 12 monthsNot published+204.5%
Total fundingNot published$35.5M
Latest roundNot publishedSeries A
LinkedIn followersNot published6,591

StartupHub scores

Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.

MeasureAPI PlatformMastra
StartupHub scoreOur 0-100 rating16/10077/100
TractionNot published70/100
Team30/10090/100
CommunityNot published38/100
Search visibility10/10068/100
QualityNot published78/100
Agent readinessHow well an AI agent can read and act on the siteF (36/100)D (58/100)
Domain ratingLink authority, 0-10073/10076/100

Technology

Detected on each public site, so it reflects the marketing stack as well as the product.

MeasureAPI PlatformMastra
HostingNot detectedVercel
CDNCloudflareVercel
FrameworksNext.js, Tailwind CSSNext.js, Tailwind CSS
Open sourceYesYes, 15,100 GitHub stars
Self-hostableYesYes

Product and pricing

MeasureAPI PlatformMastra
Key featuresNot publishedAI Agent Framework, Workflows, RAG, Evals, Memory & Tool Selection, Open Source & Modular

What users say

MeasureAPI PlatformMastra
Community ratingVisitor votes on StartupHubNot published5.0/5 from 2 votes

API Platform vs Mastra: common questions

Which is better, API Platform or Mastra?

On our 0-100 score Mastra rates higher (77/100 against 16/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 16 data points above: read the rows that match what you are buying for.

How do API Platform and Mastra compare on the numbers?

Mastra leads on our overall score (77/100 against 16/100), agent readiness (58/100 against 36/100).

Read the full API Platform review and pricing or the Mastra review and pricing. You can also browse other API Platform alternatives we track.