Downlink
Last verified 2026-05-20. JSON
The funding figures on this page are attributed, not sourced: a publisher is on record but no document URL is. How we mark provenance.
| Total raised | $1.0Mattributed |
|---|---|
| Latest round | seed, $1.0M, 2024-01-01attributed |
| Founded | 2023 |
| Headquarters | San Francisco, USA |
| Industry | ai |
| Stage | seed |
| Website | downlink.dev |
Downlink is an API that continuously optimizes the LLMs powering an application by auto-selecting and fine-tuning models on live traffic. It targets AI engineers who want better rate limits, lower latency, and higher accuracy without redesigning their stack. It is drop-in compatible with OpenAI client libraries across Python, TypeScript, and Go.
Funding rounds
| Date | Round | Amount | Lead |
|---|---|---|---|
| 2024-01-01 | seed | $1.0M | undisclosed |
Detected tech stack
Amazon CloudFront, Amazon S3, Google Analytics, Google Tag Manager, DoubleClick Floodlight, WordPress, Amazon Web Services, PHP, MySQL
Provenance
| Fact | Status | Basis |
|---|---|---|
| Seed, $1.0M | attributed | yc named as publisher. No document URL on file. |
| Total raised $1.0M | attributed | yc named as publisher. No document URL on file. |
| Company existence | sourced | Y Combinator named as publisher. Document, retrieved 2026-09-17. |
| Description | self-reported | downlink.dev, read 2026-05-20 |
Change history
| Date | Fact | Change | Basis |
|---|---|---|---|
| 2026-09-24Existence: self-reported → sourced, Y Combinator, document, retrieved 2026-09-17 | Existence | self-reported → sourced | Y Combinator, document, retrieved 2026-09-17 |
Records begin 2026-09-24. All changes