Apollo.io vs Xero Developer API

Apollo.io (Apollo's github repo. Be awed) and Xero Developer API (Xero Developer: Powering Your Innovation and Growth. Check out our SDKs and code samples to get started with your integration.) both appear on the Smoower Developer Ecosystem Index.

Xero Developer API (rank #338) holds a modest lead over Apollo.io (rank #602) on the overall Smoower ecosystem score (43 vs 34). The gap of 9 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), Xero Developer API is clearly ahead of Apollo.io. On education (docs, guides and learning material for developers), Xero Developer API is slightly ahead of Apollo.io. On community (issue response, PR reviews and discussion health), Xero Developer API is clearly ahead of Apollo.io. On reach (how visible the ecosystem is beyond its own repos), Apollo.io is clearly ahead of Xero Developer API. On momentum (release cadence and how fast the ecosystem moves), Xero Developer API is slightly ahead of Apollo.io.

Apollo.io carries 73 GitHub stars across 41 public repos, with 7 repositories active in the last 90 days and 5 external contributors on record. Xero Developer API shows 2,233 stars across 70 public repos, 11 active in the last 90 days and 37 external contributors. The star gap on its own does not decide the comparison, but Xero Developer API's footprint is roughly 30.6x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Apollo.io is the stronger read for anyone weighting reach. Xero Developer API looks better where community is the deciding factor. The table below breaks the scores down pillar by pillar; the linked profiles cover the underlying repos, docs and community signals in full.