Ship billing without becoming a billing company

Meter usage events and let Flexprice handle aggregation, pricing logic, and invoicing in real time, no custom billing workflows in your services.

Trusted by 100+ AI and Agentic Teams

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Everything you need to run billing in production

All the components needed to support real customers and real contracts

Transform product usage into billing automatically

Define how your product measures usage and let Flexprice compute charges consistently across billing, limits, and reporting. Update metrics and pricing without rewriting services or pipelines.

Build billable metrics from raw product events
Recompute usage when pricing changes
Keep billing and entitlements based on the same data

Let teams change pricing without you getting involved

Move pricing decisions out of release cycles while existing customers remain stable.

Update pricing without schema migrations
Apply customer-specific contract terms safely
Roll out plan changes without downtime

"

Flexprice saved us thousands of development hours that we would have spent building in-house.

Shaunak Srivastava

Founder, Truffle AI (YC W25)

Integrate monetization without growing your backend

Embed billing as a dedicated layer instead of application logic. Flexprice manages pricing state, contracts, and invoicing workflows so your services stay product-focused.

Centralize pricing and packaging configuration
Support subscriptions, usage, and credits together
Generate invoices directly from billing state

Use billing data to control product behavior

Drive access and limits from billing state instead of duplicating logic across services.

Enforce entitlements in real time
Apply usage limits and quotas
Support prepaid and committed usage

Built with your engineering team in mind

SDKs, integrations, support, and documentation built for engineering teams.

Multi SDK Support

Built to work with your favorite language, you can send usage events using our SDKs with no additional setup required.

Seamless Integrations

Connect Flexprice with your stack using webhooks, APIs, and native integrations. Works with Stripe, Razorpay, Snowflake, Hubspot, Quickbooks, CRMs, and more.

Single Source of Truth

Open-Source

Unified Dashboard

<1ms

P99

Latency

Time saved compared to building in-house

1bn+

API requests processed monthly

1k+

Events processed per second

How it actually works

Technical architecture built for flexibility and reliability

Your Product
- 100k+ events/second
- Idempotent by design
- Automatic deduplication
Flexprice API
- Pure SQL queries
- No proprietary language
- Backfill support
Real-time Processing
- <50ms p99 latency
- Exactly-once delivery
- Auto reconciliation
Your Systems
- 99.99% uptime SLA
- Full audit trail
- Multi-region failover

What billing actually costs engineering

The work isn’t launching billing, it’s everything that follows.

Without Flexprice

Months designing schemas, pipelines, and invoice logic Send usage events and start billing.

Every pricing change requires backend updates
Maintain aggregation, retries, and reconciliation paths
Usage and billing state handled externally
Fix prorations, backfills, and customer corrections
Corrections computed automatically

"

Our billing is now backed by complete usage visibility. Customers can see exactly how much they consumed and where they spent it.

Kush Daga

Founding Engineer, Segwise

Frequently Asked Questions

Can we self-host Flexprice? What runs in our infrastructure? Do we still own our billing data? How customizable is the billing logic? What changes in our codebase after integrating Flexprice? How do we test pricing and billing changes safely?

Ready to ship pricing faster?

See how Flexprice helps product teams launch and iterate on pricing without waiting on engineering.

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