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AI infrastructure

Downlink

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

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 #5489

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

source
generated read
High Signal interpretation

Downlink is classified as AI infrastructure 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
AIDownlinkAPIBoost rate limits
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 Downlink

AI infrastructure · 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.

Convoy

match 60

We are building Convoy for engineering teams that value efficiency, especially during this bear market. You might already know about API Gateways. Convoy is exactly that for webhooks. Engineering teams today use Convoy to securely send, receive and manage millions of webhooks reliably with robust support for retries, rate limiting, static IPs, circuit breaking, rolling secrets and more. We know both receiving and sending webhooks can become a lot of work to manage, we have built a product to ena

shared extracted concept terms: api, rate, limit; shared product terms: api, rate, limit; shared product theme: developer infrastructure; shared affiliation: Y Combinator

Roundtable

match 42

Roundtable Proof of Human is an API that invisibly detects bots and verifies human identity. Founded by 2 Princeton cognitive scientists, Roundtable leverages world-class research with enterprise-grade accuracy and latency so websites can verify their human users friction-free.

shared extracted concepts: api; shared product terms: latency, accuracy, api; shared product theme: developer infrastructure; shared affiliation: Y Combinator

Compresr

match 42

Compresr provides an API that compresses LLM context without losing what matters. It’s a drop-in for agents and RAG that cuts token costs and improves accuracy.

shared extracted concepts: api; shared product terms: api, improve, accuracy; shared product theme: developer infrastructure; shared affiliation: Y Combinator

Axel Travel

match 37

Axel finds you the best travel deals, has negotiated rates and gets you money back if the price drops after booking. FKA - Gordian Software: API for online travel companies to sell airline ancillaries

shared extracted concepts: api; shared product terms: rate, api; shared product theme: developer infrastructure; same category: AI infrastructure; shared affiliation: Y Combinator

Integuru

match 34

Integuru turns any platform into a reliable, low-latency, and high-throughput API. Requests complete in 3 seconds with 99.9%+ success, including deployments above 1M requests/month/platform. No RPA or browsers. No data caching needed.

shared extracted concepts: api; shared product terms: latency, api; shared product theme: developer infrastructure; shared affiliation: Y Combinator

Postmaster

match 33

A simple API for shipping packages

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