Compare
LowRouter vs Postman
Postman is an API design/testing tool; LowRouter is a runtime proxy for LLM calls with sustainability data.
LowRouterSovereign, carbon-aware AI routing for your agents, with one bill in euros
PostmanAPI platform for designing, testing and documenting APIsWhich to pick
Pick LowRouter if you want…
- EU-sovereign, carbon-transparent LLM routing
- Integrations with LangChain, CrewAI or Vercel AI SDK (on LowRouter's list, not Postman's)
Pick Postman if you want…
- Full-stack API lifecycle platform
- API testing and design
- A free plan to start with
- Integrations with VS Code, Git or AWS (on Postman's list, not LowRouter's)
Side by side
- What it is
- LowRouter:LowRouter is an EU-hosted proxy that routes OpenAI-compatible requests to multiple LLM providers, showing cost and carbon emissions per call.
- Postman:Postman is an API platform for designing, testing, documenting, and monitoring APIs.
- Best for
- LowRouter:EU-sovereign, carbon-transparent LLM routing
- Postman:Full-stack API lifecycle platform
- Who it’s for
- LowRouter:Developers building AI agents or apps who need sovereign, carbon-aware routing and unified billing.
- Postman:Developers and teams building, testing, and managing APIs.
- Pricing
- LowRouter:Paid
- Postman:Freemium
- Plans
- LowRouter:—
- Postman:Free $0 · Solo $9 per month (billed annually) · Team $19 per user/month (billed annuall
- Works with
- LowRouter:LangChain, CrewAI, Vercel AI SDK, n8n, Claude Code, OpenCode, Goose, Aider
- Postman:VS Code, Git, AWS, Postman CLI, Postman API
LowRouter features
- Single OpenAI-compatible endpoint. Point any OpenAI-compatible SDK to LowRouter and access 40+ providers with one API key.
- Carbon receipt per request. Each response includes provider, region, gCO₂eq emitted and grid carbon intensity.
- Auto-routing policies. Define rules (e.g., lowest carbon, lowest cost, EU-only) and LowRouter selects the optimal provider.
- Alias management. Create model aliases that can be repointed to different providers or regions without code changes.
- Failover handling. In automatic mode failed requests are rerouted to another provider to keep runs alive.
- Unified EU VAT invoice. All usage across providers is billed on a single euro-denominated invoice.
- Exportable usage reports. Dashboard provides CSV export of tokens, cost and emissions for finance and ESG reporting.
- No prompt retention. LowRouter never stores or trains on your prompts; only metadata for billing is kept.
Postman features
- API design & discovery. Create, version, and explore APIs with the Context Graph and API discovery tools.
- Automated testing. Generate collections, run automated tests, and perform performance testing with unlimited runners.
- Mock servers. Spin up mock servers to simulate APIs before they exist.
- API monitoring. Monitor live endpoints for uptime, drift, and performance metrics.
- CI/CD integration. Run collection and governance checks on every commit via Postman CLI and integrations.
LowRouter vs Postman FAQ
Is LowRouter or Postman free?+
LowRouter is paid, with a free trial. Postman has a free plan; paid plans start at $9/month (Solo).
Do LowRouter and Postman integrate with the same tools?+
Their integration lists don't overlap: LowRouter lists LangChain, CrewAI, Vercel AI SDK, n8n and 5 more; Postman lists VS Code, Git, AWS, Postman CLI and 1 more.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.