usage-based-billing 41 pricing 40 golang 38 go 35 feature-flags 24 payment-integration 22 checkout 22 metered-billing 21 entitlement-management 21 stripe 19 api 18 payments 17 finops 16 self-hosted 15 metering 13 analytics 12 invoicing 12 usage-based-pricing 11 open-source 11 typescript 11 clickhouse 10 sdk 10 llm 10 subscriptions 9 postgresql 9 saas 9 python 9 payment 8 laravel 8 usage 8 fintech 8 aws 7 cli 7 kafka 7 invoices 7 litellm 6 gcp 6 crm 5 cost 5 php 5 supabase 5 usage-metering 5 openai-compatible 5 agent-framework 5 invoiced 5 ai-gateway 5 events 5 cloud 5 invoice 5 nextjs 5 django 4 monetization 4 cost-optimization 4 price-optimization 4 pricing-engine 4 rbac 4 product-led-pricing 4 prepaid-credits 4 cost-management 4 infrastructure-as-code 4 authorization 4 authentication 4 quotas 4 credits 4 time-tracking 4 go-module 4 spicedb 4 dodo-payments 4 user-management 4 bookkeeping 4 accounting 4 dataops 4 hacktoberfest 4 google-cloud 3 compute-engine 3 cost-estimation 3 google-cloud-platform 3 google-compute-engine 3 cloud-cost-estimates 3 api-client 3 google-compute-instance 3 infrastructure 3 linux-cli 3 linux-shell 3 billing-engine 3 macos-cli 3 azure 3 killbill 3 ai 3 command-line 3 starterkit 3 socialite 3 notifications 3 crud 3 erp 3 expenses 3 payroll 3 android 3 llmops 3 entitlements 3