Pressable
A fortnight of bulk operations and a DDEV integration, aimed squarely at agencies
Comparison · Infra & APIs
Postman vs Heroku
A side-by-side editorial comparison of Postman and Heroku — release velocity, themes, recent moves, and the top alternatives to consider.
Postman vs Heroku: at a glance
What is Postman?
Postman is claiming the space between your app's tests and the APIs it actually depends on.
Two kinds of release sit side by side: steady spec and monitoring work — Smithy 2.0 in Spec Hub, more Monitor regions, version tags on changelogs — and the Application Inventory, which tracks applications, their external API dependencies, and the test coverage validating them.
What is Heroku?
Runtime bumps most weeks, but a new stack, a stack deprecation and an AI model cull underneath
Heroku's changelog is dominated by runtime maintenance - Node.js, .NET, Python, Ruby, Go and PHP updates land most weeks, often several in a day. Beneath that cadence the platform shipped real structural changes over May and June 2026: Heroku-26 reached general availability while Heroku-22 was deprecated, Heroku Connect opened to independent software vendors, a GitHub Enterprise Cloud integration arrived, Custom Trusted IPs came to Fir Private Spaces, and the CLI moved credential storage into system keychains. On the AI side, Heroku added Claude Opus 4.8 support in late May and then began deprecating select models from Managed Inference and Agents a week later.
Postman vs Heroku: editorial side-by-side
Postman
0.0INFRA · APISDEVOPS
Postman is claiming the space between your app's tests and the APIs it actually depends on.
◆ Current state
Two kinds of release sit side by side: steady spec and monitoring work — Smithy 2.0 in Spec Hub, more Monitor regions, version tags on changelogs — and the Application Inventory, which tracks applications, their external API dependencies, and the test coverage validating them.
◆ Where it's heading
Postman is moving past the API client toward a dependency map of an organization's software. Wiring the Application Inventory into existing Playwright suites means the map populates from tests teams already run, which is how this kind of inventory avoids becoming a stale spreadsheet.
◆ Prediction
Expect the Application Inventory to grow beyond Playwright into other test runners and CI signals, since its usefulness scales with how much of the dependency graph it captures automatically.
Heroku
5.0DEVOPSINFRA · APIS
Runtime bumps most weeks, but a new stack, a stack deprecation and an AI model cull underneath
◆ Current state
Heroku's changelog is dominated by runtime maintenance - Node.js, .NET, Python, Ruby, Go and PHP updates land most weeks, often several in a day. Beneath that cadence the platform shipped real structural changes over May and June 2026: Heroku-26 reached general availability while Heroku-22 was deprecated, Heroku Connect opened to independent software vendors, a GitHub Enterprise Cloud integration arrived, Custom Trusted IPs came to Fir Private Spaces, and the CLI moved credential storage into system keychains. On the AI side, Heroku added Claude Opus 4.8 support in late May and then began deprecating select models from Managed Inference and Agents a week later.
◆ Where it's heading
Two things are happening at once. The platform layer is going through a generational turn - a new stack promoted, the previous one deprecated, and enterprise-facing controls (trusted IPs, keychain credentials, ISV access, GitHub Enterprise) filling in around it, which is the profile of a mature PaaS defending its installed base rather than chasing new workloads. The AI layer is behaving differently: adding a frontier model and pruning others within days points at a curated, opinionated inference catalogue rather than a broad marketplace. The relentless buildpack cadence is the constant underneath both.
◆ Prediction
Expect the Heroku-22 deprecation to progress toward an end-of-life date and further consolidation of the Managed Inference model list. The entries do not indicate what replaces the deprecated models, so whether the AI catalogue is narrowing or being re-based is not yet visible.
Postman alternatives
Other Infra & APIs products tracked by Sparkpulse, ranked by recent ship velocity. Tap any card for the full editorial trajectory or compare directly with Postman.
ToolJet
An LTS patch train quietly absorbing security fixes and multi-model AI switching
Jenkins
Jenkins is shedding weight and hardening deserialization on its weekly train
Honeycomb
Honeycomb is turning Canvas from an investigation view into the console where the work actually happens
Cohere
Cohere is shipping a model a month and retiring the old ones just as briskly.
Windsurf
Windsurf's own feature list has thinned out; what ships now is Devin arriving one surface at a time.
Heroku alternatives
Other Infra & APIs products tracked by Sparkpulse, ranked by recent ship velocity. Tap any card for the full editorial trajectory or compare directly with Heroku.
HashiCorp
HashiCorp is repositioning HCP Terraform as the accountability layer under AI agents that write infrastructure
Jenkins
Jenkins is shedding weight and hardening deserialization on its weekly train
Gravity Forms
Gravity Forms 3.0 makes accessible forms the default, not a checkbox someone forgets
Laravel
Laravel runs two release trains at once, and 13.x is where anything interesting lands.
Bitwarden
Bitwarden's server releases are all plumbing right now — flags cleared, billing untangled, invites hardened.
PlanetScale
PlanetScale is building out Postgres while making every control reachable without the dashboard.
Recent activity from Postman and Heroku
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 21d agoHeroku.NET SDK updates across the 8.0, 9.0 and 10.0 lines
- 22d agoHerokuPostgres 18 enters beta; sbt 2 supported for Scala apps
- 23d agoHerokuHeroku-22, Heroku-24 and Heroku-26 stacks updated
- 26d agoHerokuPython buildpacks updated to Pipenv 2026.6.2 and uv 0.11.28
- 27d agoHerokuNode.js 26.5.0 now available
- 28d agoHerokuPHP monthly updates; Go 1.25.12 and 1.26.5 available
- 2mo agoPostmanTag changelog entries with versions in Postman
- 2mo agoPostmanExpanded region support for Postman Monitors
- 2mo agoPostmanSupport for Smithy 2.0 in Spec Hub
- 2mo agoPostmanValidate API dependencies from your Playwright tests ⚡
- 2mo agoPostmanPostman 12.10.0 ships bug fixes and enhancements
- 3mo agoPostmanPostman 12.9.4 patch: bug fixes and enhancements
Frequently asked questions
What is the difference between Postman and Heroku?
They serve adjacent needs but don't currently overlap on shipped themes. Heroku is currently shipping more aggressively (velocity 5.0 vs 0.0), with 0 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is Postman better than Heroku?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Heroku is currently shipping more aggressively (velocity 5.0 vs 0.0), with 0 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other Infra & APIs products to evaluate alongside.
What are the best alternatives to Postman?
Top Postman alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "Postman alternatives" section above for the current picks, or visit /alternatives/postman for the full list with editorial commentary on each.
What are the best alternatives to Heroku?
Top Heroku alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "Heroku alternatives" section above for the current picks, or visit /alternatives/heroku for the full list with editorial commentary on each.