--- title: "Product articles and guides — Elva blog · Elva" description: "Product thinking behind Elva: why the catalog starts from code, how contracts model real audiences, and what shipped. 3 guides, newest first." canonical: "https://getelva.ai/blog/tag/product" lastModified: "2026-09-02T16:58:18.662Z" --- 1. [Blog](https://getelva.ai/blog.md) 2. Product # Product articles and guides Product thinking behind Elva: why the catalog starts from code, how contracts model real audiences, and what shipped. The reasoning behind the product rather than the feature list, plus the monthly changelog. 3 posts, newest first · Updated 2026-08-27 [ Product Jul 1, 2026 July: field-level constraints, key-scoped analytics, drift alerts Everything that shipped this month, including the schema editor and per-key usage. 3 min read ](https://getelva.ai/blog/changelog-july-2026.md)[ Product Jun 18, 2026 Contracts: one API, four audiences Partners, internal teams, the public, and agents all need different views of the same endpoints. Contracts make that explicit. 6 min read ](https://getelva.ai/blog/contracts-one-api-four-audiences.md)[ Product May 8, 2026 Why “no spec” can’t mean “no catalog” Half the APIs that matter have no OpenAPI file. The catalog has to start from code, not from paperwork. 5 min read ](https://getelva.ai/blog/why-no-spec-cant-mean-no-catalog.md) ALL TOPICS [MCP9](https://getelva.ai/blog/tag/mcp.md) [Governance7](https://getelva.ai/blog/tag/governance.md) [AI Agents5](https://getelva.ai/blog/tag/ai-agents.md) [OpenAPI5](https://getelva.ai/blog/tag/openapi.md) [Contracts4](https://getelva.ai/blog/tag/contracts.md) [Engineering4](https://getelva.ai/blog/tag/engineering.md) [Observability4](https://getelva.ai/blog/tag/observability.md) [Product3](https://getelva.ai/blog/tag/product.md) [Infrastructure2](https://getelva.ai/blog/tag/infrastructure.md) ## Ship notes, monthly One email with what shipped and what we learned. Unsubscribe anytime. ## Ship APIs anything can call Humans, tests, partners, agents. One catalog, one contract, one place. [Sign up free](https://app.getelva.ai/signup) [Read the blog](https://getelva.ai/blog.md)