Kooperativa vs ReverseContact: Unlimited API

ReverseContact's API is built around a specific, well-documented cost hierarchy: a free /v2/check call to see if a record exists, a 1-credit /v2/fetch call to retrieve it from cache if it's reasonably fresh, and a 2-credit /v2/fetch/live call that forces a new scrape when the cached version is missing or stale. A separate 2-credit /v2/enrich endpoint handles the case where there's no known profile URL yet, matching from an email, name, or company domain instead.

ReverseContact's own documentation is explicit about the intended integration pattern: call Check first since it's free, then Fetch if the cached record is recent enough, and only fall through to the more expensive Live call when the data is actually missing or stale. That's a reasonable design for controlling cost, but it means the specific 3-step decision tree, freshness check, cache attempt, live fallback, is logic a developer has to build and maintain themselves to use the API cost-effectively, rather than something the API abstracts away.

None of this is hidden, ReverseContact documents the recommended flow clearly, and its "data freshness" guide states this pattern can cut costs by up to 50% for workloads where many queried profiles are already fresh in their database. The tradeoff is that realizing that saving requires writing and maintaining the check-then-fetch-then-live branching logic in your own integration, rather than it being unnecessary in the first place.

For a team integrating quickly, or one that would rather not maintain that branching logic indefinitely, that's a real integration cost on top of the credit price itself, even when the credit price alone looks competitive.

Kooperativa doesn't have a Check, Fetch, or Live distinction because there's no cost difference between them to manage. /v1/person and /v1/company return current data on every call, included in the same $499/mo (or $449/mo annual) unlimited license as every other endpoint, so there's no freshness-based decision tree to build just to keep a bill under control.

That doesn't make ReverseContact's design wrong, tiering by freshness is a reasonable way to keep a credit-based product's costs proportional to how demanding a given lookup actually is. It does mean a flat-rate API removes an entire category of integration decision that a credit-tiered one requires.

ReverseContact's specific strength, reported directly on their own site, is reverse email-to-profile lookup, turning an email address into a structured person and company record, and their "fresh or free" guarantee (no charge if returned data isn't sufficiently fresh) is a genuine, checkable commitment most credit-based vendors don't make. For a workload that is specifically and primarily reverse email lookup at low, occasional volume, their entry-tier credit pricing can be cheaper in absolute terms than a flat monthly license.

For a workload with steady or growing volume across person and company lookups, where building and maintaining a freshness-based cost-optimization layer is overhead a team would rather not carry, a flat unlimited rate removes that specific tradeoff entirely.