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Developer tools

Pigeonly

Pigeonly is a subscription-based platform that makes it easy for people to search, find, and communicate with an incarcerated loved from anywhere in the world. Our technology cuts the cost of expensive prison calls by 80% and allows our customers to send their inmate printed photos, greeting cards, and more right from any cell phone, tablet, or computer. At the core of the Pigeonly business is our proprietary inmate API, Haystac, that searches and organizes millions of Federal, State, and County

sources
1
Evidence entries preserved.
affiliations
1
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 #3593

Pigeonly is a subscription-based platform that makes it easy for people to search, find, and communicate with an incarcerated loved from anywhere in the world. Our technology cuts the cost of expensive prison calls by 80% and allows our customers to send their inmate printed photos, greeting cards, and more right from any cell phone, tablet, or computer. At the core of the Pigeonly business is our proprietary inmate API, Haystac, that searches and organizes millions of Federal, State, and County

source
generated read
High Signal interpretation

Pigeonly 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
peoplecustomersinmate APIincarcerated loved
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 Pigeonly

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.

Cashfree Payments

match 68

Cashfree is a next-generation payments company for Indian businesses. Cashfree helps 50,000+ businesses collect and send money with solutions such as an easy to integrate payment gateway that supports instant settlements & refunds; Payouts - an API banking platform for bulk disbursals; a split payment solution for marketplaces; a Bank Account Verification API; a dedicated UPI stack for businesses and Auto Collect - a virtual account solution to match inbound payments to customers. It counts Xiao

shared extracted concepts: customers; shared product terms: easy, customer, send, api; shared product theme: developer infrastructure, sales and marketing; same category: Developer tools; shared affiliation: Y Combinator

Traces

match 61

We analyze thousands of video streams to find and track people without facial recognition. Our tech is available as an API and has multiple use cases. Unique people counting, forensic people search, falsa alarm filtering and many more.

shared extracted concept terms: people, api; shared product terms: people, search, find, api; shared product theme: developer infrastructure; same category: Developer tools; shared affiliation: Y Combinator

Answerly

match 60

There is no better way to engage with potential customers than by answering their questions. InboxQ makes it easy to find people who have questions about your business, products or general industry

shared extracted concepts: people; shared product terms: customer, easy, find, people; shared product theme: sales and marketing; shared affiliation: Y Combinator

Pakible

match 58

2000+ customers use Pakible including Samsung, Reddit, Soylent, and the Golden State Warriors. We make it insanely easy to design, price, and manufacture custom product packaging. Leveraging in house software to automate operations, an incredibly user-friendly customer-facing interface, plus amazing people + vendors. Pakible is an unbeatable experience and price compared to brokers or direct manufacturers. Packaging is the most slept-on market in the world, a $500B market just domestically repre

shared extracted concept terms: customer, people; shared product terms: customer, state, easy, people; shared product theme: sales and marketing; shared affiliation: Y Combinator

Ananya Health

match 57

Building a standard-of-care medical device to freeze abnormal cells before they become cervical cancer, in any clinic, anywhere in the world, at 1/10 the cost. -- Ananya Health is building a portable cryoablation unit designed for every primary care clinic in the world. Our beachhead application is cervical cancer prevention -- even though cervical cancer is easy to screen for, 80% of clinics worldwide lack the infrastructure and specialized staff to treat at the earliest stages. Our platform te

shared product terms: cell, any, anywhere, cost; shared product theme: developer infrastructure; same category: Developer tools; shared affiliation: Y Combinator

Stillwind

match 49

Our first product, Stillwind Search, makes finding an electronic part as easy as writing a text message. The search engine turns natural language queries into fine-grained specifications that are matched against our proprietary database of millions of parts. This is the first step towards autonomous electrical engineering.

shared product terms: search, find, easy, proprietary; shared product theme: developer infrastructure; same category: Developer tools; shared affiliation: Y Combinator