Alternatives
10 best UnitPay alternatives
Tools that cover the same task as UnitPay (usage metering and ai product billing), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 9, 2026.
- UnitPay starts at
- Not listed
- Free plan
- Free plan
- API
- API available
- 01
Edgee
Edgee routes coding-agent requests through configurable model policies, compression and usage reporting. It advertises provider fallback and cost attribution by developer, repository and pull request, with team controls on paid plans.
Best for: Relevant to engineering teams reconciling request costs and testing budget-triggered routing.
- 02
Loomal
Loomal adds x402 payment checks to HTTP endpoints, MCP tools or hosted files, charging compatible agents per request in USDC on Base. It advertises project-wallet settlement, signed receipts and webhooks.
Best for: Relevant to developers evaluating paid machine-to-machine access to their own licensed data or tools.
- 03
Gate by Constellation
Gate sits between agents and model providers to log requests, compress context and optionally screen content. Its Connect desktop app advertises routing existing coding tools, while the gateway supports provider keys or prepaid model usage.
Best for: Relevant to developers comparing gateway costs and screening on representative safe test requests.
- 04
Foglamp
Foglamp tracks model and tool calls for applications using the Vercel AI SDK. It advertises cost views by model, agent and customer, trace inspection, evaluations and alerts for quality or spending changes.
Best for: Relevant to developers who will review trace-data handling and calibrate evaluation criteria on their own application.
- 05
Maximem Synap
Maximem Synap records conversations and retrieves ranked, scoped context for AI agents across sessions. It advertises entity resolution, temporal handling, compaction and separate organization, customer and user memory levels.
Best for: Relevant to developers testing retrieval quality, deletion, tenant isolation and costs with representative non-sensitive conversations.
- 06
Carrot Labs
SuperPenguin, from Carrot Labs, is LLM cost management software that attributes AI spend by customer, feature, and team while unifying bills from OpenAI, Anthropic, Gemini, Cursor, and other providers. It adds Coding ROI views for agent spend per merged pull request and a Mac menu-bar app for live agent usage.
Best for: Engineering and finance teams shipping AI features who need provider-agnostic spend attribution instead of per-seat guessing.
- 07
Auriko
Auriko provides an OpenAI-compatible model gateway with provider routing, fallback, key orchestration and cost analytics. It supports user-supplied or platform keys and configurable objectives such as cost, latency and data policy.
Best for: Relevant to developers comparing cost and latency of equivalent model requests with an explicit data policy.
- 08
Kopai
Kopai builds and hosts domain-specialized agents with document retrieval, tools and message billing. Creators can submit agents to an evaluated marketplace or use live APIs in their own product.
Best for: Relevant to creators hosting an evidence-based specialist agent and inspecting its usage ledger.
- 09
Resend
Resend is an email API for developers sending transactional and marketing messages with modern SDKs, domains, and deliverability tooling. The homepage and pricing page separate free, Pro, Scale, and Enterprise tiers with add-ons for domains, dedicated IPs, and SSO.
Best for: Product engineers who need a developer-first email provider with domain authentication and usage-based overages.
- 10
RunInfra
RunInfra provides hosted open models through OpenAI- and Anthropic-compatible APIs. It offers prepaid token billing and workspace coding plans, with session-aware caching and separately reported cached-token usage.
Best for: Relevant to developers measuring open-model compatibility and real billed usage for their own workloads.
UnitPay alternatives: common questions
What is the best free alternative to UnitPay?
Edgee has an ongoing free plan. Free one-developer platform tier. Provider tokens extra; credit top-ups carry5% fee on Free, none on Team/Enterprise; BYOK commission0%. Free plans change, so check the vendor before relying on one.
What is the cheapest UnitPay alternative?
RunInfra has the lowest listed starting price at $10/mo.
Which UnitPay alternatives have an API?
Edgee, Loomal, Gate by Constellation, Maximem Synap, Carrot Labs mention API or developer access.