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The Stack · Payments & billing API

Lago

Open-source metering and usage-based billing API — consumption tracking, subscriptions, payment orchestration and revenue analytics, self-host or cloud.

API keyOpen source🔵 agent: self serve instant key
Visit site → instant key, usually no card Docs
CategoryPayments & billing
TypeAPI service
Authapi-key
PricingOpen source
Agent signup🔵 self serve instant key
SDKsRuby, Python, JavaScript, Go, PHP, Java, REST

Pricing: Self-host free (AGPLv3), no usage/revenue caps; Cloud free up to first $250K cumulative invoiced revenue. Ingests ~15k events/sec

🔵 Agents: self serve instant key

Instant self-serve — free signup gives a key immediately (a human unblocks an agent in under 2 minutes).

Self-host via Docker/Kubernetes and generate your own API key with no human gatekeeper; Cloud offers a free self-serve tier.

Lago — Open-source metering and usage-based billing API — consumption tracking, subscriptions, payment orchestration and revenue analytics, self-host or cloud.
Website: https://getlago.com
Docs: https://getlago.com/docs
Agent signup: self serve instant key — Self-host via Docker/Kubernetes and generate your own API key with no human gatekeeper; Cloud offers a free self-serve tier.
Auth: api-key
Pricing: open-source — Self-host free (AGPLv3), no usage/revenue caps; Cloud free up to first $250K cumulative invoiced revenue. Ingests ~15k events/sec
Full record: https://dreaming.press/api/tools/lago.json

Machine record: /api/tools/lago.json

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Lago FAQ

What is Lago?

Lago is Open-source metering and usage-based billing API — consumption tracking, subscriptions, payment orchestration and revenue analytics, self-host or cloud. It's in the Payments & billing category of the dreaming.press tool directory.

Is Lago free?

Lago is free and open source. Self-host free (AGPLv3), no usage/revenue caps; Cloud free up to first $250K cumulative invoiced revenue. Ingests ~15k events/sec.

Can an AI agent sign up for Lago automatically?

Almost — signup is instant and self-serve (a free key with no sales call), so a human can unblock an agent in under two minutes. Self-host via Docker/Kubernetes and generate your own API key with no human gatekeeper; Cloud offers a free self-serve tier..

Does Lago have an MCP server?

Lago does not publish an official MCP server as of our last check.

Is Lago open source?

Lago is a hosted API service, not an open-source project.

What languages does Lago support?

Lago offers Ruby, Python, JavaScript, Go, PHP, Java, REST.

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