Vespa is an Apache 2.0 open-source serving engine for big-data, vector search, and recommendations. It exposes a Document API (write/read), a Search API (query), and several admin endpoints. Vespa Cloud is the commercial managed offering.
URL: Visit APIs.json URL
Run: Capabilities Using Naftiko
- x-type: opensource
- Vespa Document API v1 -
/document/v1for GET/POST/PUT/DELETE plus visiting (bulk iteration with continuation tokens), conditional writes, and upserts. 429 backpressure. - Vespa Search API -
/search/accepting YQL or structured query JSON; powers full-text, vector, and hybrid retrieval with ranking expressions.
- Vector Database, Search, Open Source, Real-Time, Recommendations
- Created: 2026-05-08
- Modified: 2026-05-08
- Pricing reconciled (research): Vespa Cloud has per-resource hourly rates across Startup, Basic, Commercial, and Enterprise plans, e.g. $0.05-0.18/vCPU-hour, $0.005-0.018/GB-RAM-hour, $0.0002-0.0007/GB-disk-hour, $0.03-0.125/GB-GPU-hour. Enterprise has $20K/mo minimum. 15% annual-commit discount.
- Self-hosted Vespa is fully Apache 2.0.
- Document API is unusually well-designed for streaming bulk writes.
FN: Kin Lane
Email: kin@apievangelist.com