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Developer tools

Resend

Resend is the new email API for developers. It's designed for you to build, test, and send transactional emails at scale. If you're using Sendgrid, AWS SES, or Postmark, come talk to us.

sources
2
Evidence entries preserved.
affiliations
2
Andreessen Horowitz, Y Combinator
competitors
6
Mapped from High Signal graph features.
status
generated
D1 lookup
last updated
2026-07-15
16:41 UTC
source evidence
Why this company exists here

Y Combinator

yc-company-directory #5199

Resend is the new email API for developers. It's designed for you to build, test, and send transactional emails at scale. If you're using Sendgrid, AWS SES, or Postmark, come talk to us.

source

Andreessen Horowitz

a16z-investment-list #793
source
generated read
High Signal interpretation

Resend is classified as Developer tools from source descriptions and fund-directory context. Similar companies below are ranked from offline product facets and meaningful description overlap; category and source affiliation can only strengthen an existing product match. For lookup-created rows, the profile starts as pending enrichment until deeper source collection runs.

offline extraction
Product facets
ResendSendgridPostmarkAWS SESdevelopersemail API
mapping method
Similarity graph

Local clusters rerank extracted product concepts and description terms. The generated graph remains the fallback for sparse descriptions: offline reciprocal product-similarity graph: extracted concepts + description terms + bounded category/affiliation boosts. Minimum fallback score: 0; max competitors: 6.

discovery cluster

Companies similar to Resend

Developer tools · 6 peers

A deterministic local cluster built from offline product facets and meaningful description terms. Category and selected-institution affiliation provide bounded tie-breaks. Open any peer to continue exploring its cluster.

Waypoint

match 61

Waypoint combines a modern email API with a visual template builder so teams can ship faster. Alternative to SendGrid, MailGun, or Postmark.

shared extracted concept terms: email, api; shared product terms: email, api, sendgrid, postmark; shared product theme: developer infrastructure; same category: Developer tools; shared affiliation: Y Combinator

Enveloop

match 59

A developer-focused message builder and API that makes it easy to send emails and texts from your app using one simple implementation. We’re doing for mailer libraries what Prisma does for ORMs.

shared extracted concept terms: api; shared product terms: developer, api, send, email; shared product theme: developer infrastructure; same category: Developer tools; shared affiliation: Y Combinator

Hyperbrowser

match 58

Hyperbrowser.ai is the internet infrastructure for AI agents. We provide instant, scalable browser infra with built-in CAPTCHA solving, proxy management, and anti-bot detection. Developers use us to power their AI agents for data collection, testing, and web automation at scale. We're backed by YC, Accel, SV Angel, and others.

shared extracted concepts: developers; shared product terms: developer, us, test, scale; shared product theme: developer infrastructure; shared affiliation: Y Combinator

Arylla

match 55

Arylla has created a printable tag that can be scanned with any phone using our API. We piggyback on legacy commercial printers to get our tag onto products at scale and license our API to developers who build services on top of our tag. We are 10x less expensive and much more scalable than alternatives like NFC.

shared extracted concepts: developers; shared product terms: api, scale, developer; shared product theme: developer infrastructure; same category: Developer tools; shared affiliation: Y Combinator

Multy

match 54

Multy is a tool that enables developers to deploy and switch to any cloud provider (e.g. AWS, Azure, GCP) with our universal API.

shared extracted concepts: developers; shared product terms: developer, aws, api; shared product theme: developer infrastructure; same category: Developer tools

Ripple

match 6

Other company.

shared affiliation: Andreessen Horowitz; nearby official-directory cohort