| Price from | Free | — |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | Yes |
| Plans published | 3 | 5 |
| Spec score · Usage-Based Billing Software | 8.8 (#3) | 8.0 (#7) |
| Compliance | The enterprise page says SOC 2 Type II and ISO 27001 audits are underway, and describes GDPR and CCPA data processor compliance and HIPAA readiness with a BAA available on request. | Orb states that it operates an annual SOC 2 Type II audit program and provides reports to customers on request. |
| Documentation depth | The docs include quickstart, authentication, environments, core concepts, ingestion protocols, SDKs, gateway guides, API reference, troubleshooting, rate limits and changelog sections. | Official documentation includes implementation guides, API reference, authentication, audit logs, integrations, metrics, subscriptions, invoicing, collections, revenue reporting, exports and simulations. |
| Funding | Aforo says it is founder-bootstrapped and not VC-backed. | Orb announced a $25 million Series B led by Mayfield Fund and said total funding reached $44 million. |
| Headquarters | Hyderabad, India | San Francisco, California, United States |
| Integrations | Native gateway plugins are listed for Kong, Apigee, AWS API Gateway, Azure APIM and MuleSoft. | Every plan includes invoicing integrations for Quickbooks, Bill.com, and Stripe, accounting integration for QuickBooks, and tax integrations including Avalara, Anrok, Numeral, Sphere, Stripe Tax, and TaxJar. |
| Pricing models | The platform includes eight native models: per-unit, graduated, volume-tiered, included-quota, flat-rate, percentage, staircase and outcome-based. | Orb supports usage-based, seat-based, hybrid, prepaid-credit and enterprise-contract billing. |
| Security | Aforo says it uses AES-256 encryption at rest and in transit, tenant isolation, and immutable, exportable audit logs. | Orb says it encrypts customer data at rest and uses HTTPS with TLS to encrypt data in transit. |
| Support | The pricing page lists community support for Starter and priority support with a one-business-day response for Growth. | The pricing page lists Basic, Premium, and Dedicated support across the tiers, and describes priority support and Quarterly Business Reviews. |
| What it does | Aforo provides metering, pricing, selling, billing and revenue recognition for APIs, AI agents and MCP servers. | Orb is a revenue-design and billing platform that automates usage-based billing, pricing operations, invoicing and revenue workflows. |