Fastly Key Value Store
LeaderFastly’s edge cloud platform enables the best of the web to thrive, and helps you deliver better online experiences.
Est 2011|Valuation $2.9B|Raised $686.4M
Fastly’s edge cloud platform enables the best of the web to thrive, and helps you deliver better online experiences.
Published May 16, 2026
Fastly publishes product blogs and documentation updates, but specific future roadmap dates for KV Store features are not consistently committed publicly. Buyers needing features (e.g., query-by-metadata, stronger consistency options) should validate on roadmap calls.
Most third-party review platforms do not have abundant KV Store-specific reviews. Reviews tend to cover Fastly’s CDN, WAF, or overall platform rather than KV Store alone.
G2 contains a Fastly vendor profile with reviews covering Fastly CDN and WAF. Some reviews appear incentivized, which can bias sentiment.
Trustpilot reviews for Fastly (company-level, not KV Store-specific) include negative claims about difficulties canceling accounts and slow ticket responses in self-serve contexts. These claims may not reflect enterprise account experiences, but they are relevant for SMB or trial users.
Mid-market to enterprise teams that:
A practical ICP range (based on platform nature and sales-led pricing):
Fits where edge latency and control matter:
Get a comprehensive analysis of Fastly Key Value Store including market position, competitive landscape, adoption trends, and peer benchmarks.
Download full report →You need strong consistency If an application requires strict correctness immediately after updates (for example, authorization changes that must apply instantly worldwide), KV Store’s eventual consistency can be risky unless compensating controls are implemented.
You need high write throughput per key Fastly documents per-item write limits (~1 write/sec per item). For counters, rate limits, real-time personalization writes, or event ingestion, consider a different datastore.
You require a fully self-serve experience and price transparency KV Store pricing is "Contact sales," and adopting it often implies an enterprise relationship. If an organization requires transparent unit pricing and quick signup, other providers may be preferable.
You are not using Fastly Compute KV Store is positioned as a Compute data store, not a VCL-only/CDN-only feature. If edge logic is VCL-only and Compute is not desired, Edge Dictionaries/Config Store patterns may be more appropriate.
You need to store secrets or sensitive personal data Fastly documentation explicitly warns against storing sensitive data in KV Store. Use Secret Store (Fastly) or a dedicated secrets manager.
Gartner Peer Insights content is primarily about Fastly CDN (not KV Store). Still, it provides buyer sentiment about Fastly’s platform maturity, support, and pricing transparency.
Representative excerpts visible on the Gartner Peer Insights listing include:
Interpretation: these themes (learning curve, support variability, pricing opacity) frequently translate into the KV Store buying experience because KV Store is typically purchased via sales and used in advanced edge architectures.
Reddit contains several threads describing Fastly POP/routing issues and user-perceived slow media loads for services that use Fastly. Examples include reports of slow image/video delivery at a particular POP with later recovery and reports of slow downloads from Fastly-backed CDNs. Discussions of historical Fastly outages are also present.
Important: These are end-user reports and may reflect ISP peering, DNS, or localized routing conditions rather than a defect in KV Store itself. For edge products, performance depends not only on the product but also on network path and POP selection.
Fastly’s KV Store marketing blog cites a customer example: Brad’s Deals reportedly achieved an improvement in web page relevance by moving redirects to the edge.
Critical evaluation:
Fastly maintains an open-source project that uses KV Store to publish static content using hashed keys for cacheable delivery.
Why it matters:
Limitations:
Fastly Key Value Store (KV Store) is a globally distributed, durable key-value storage service designed to be read and written from Fastly’s edge compute runtime ("Fastly Compute"). It targets low-latency edge decisioning and edge-hosted application patterns where frequently read data (and occasionally updated data) must be available close to users without round trips to a centralized origin or cloud database. It is described as a durable edge data store rather than a traditional database.
Fastly describes KV Store using the phrase "real-time data at the edge" in marketing materials; documentation and product archive material indicate that the service is eventually consistent, and is not intended for secrets or sensitive data.
Primary buyers/users: developers, platform engineers, DevOps, and edge/CDN teams building on Fastly Compute.
Typical use cases:
Positioning: Fastly presents KV Store as a component of its edge platform and as part of a broader stores family (KV Store, Config Store, Secret Store, Object Storage).