Developer tools

Postmaster

A simple API for shipping packages

sources

Evidence entries preserved.

affiliations

Techstars

competitors

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

Techstars

techstars-portfolio #4369

A simple API for shipping packages

source

generated read

High Signal interpretation

Postmaster 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

APIPostmaster

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 Postmaster

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.

EasyPost

match 44

EasyPost is the missing API that makes it quick and painless to integrate shipping into your application. Some of the biggest names in retail rely on EasyPost to ship faster, smarter and cheaper. We manage the headaches involved with dated carrier technology so our customers can focus on what makes their business great. Integrate once with EasyPost and seamlessly add carriers, generate shipping labels, track packages in near real-time and insure your shipments. EasyPost is growing fast! Check ou

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

Downlink

match 33

Downlink is a platform that continuously improves your AI. Boost rate limits, slash latency, and raise accuracy.All through one simple API.

shared extracted concepts: api; shared product terms: simple, api; shared product theme: developer infrastructure

Flextrip

match 29

API serving tours & activities to the travel industry

shared extracted concepts: api; shared product terms: api; shared product theme: developer infrastructure; same category: Developer tools; shared affiliation: Techstars

Brightwork

match 29

Brightwork is a platform that cuts the back end application development time in half by providing a robust and reliable API.

shared extracted concepts: api; shared product terms: api; shared product theme: developer infrastructure; same category: Developer tools; shared affiliation: Techstars

SpotRight

match 27

Topical social influence API

shared extracted concept terms: api; shared product terms: api; shared product theme: developer infrastructure; same category: Developer tools; shared affiliation: Techstars

Emergent One

match 27

API generation

shared extracted concept terms: api; shared product terms: api; shared product theme: developer infrastructure; same category: Developer tools; shared affiliation: Techstars