Google ApigeeGoogle Cloud's API management platform ships built-in traffic, error, and developer-app analytics as part of the gateway, not as a separate product.
Quote only
No
No
KongAPI and AI gateway company whose Konnect control plane includes metered traffic, error, and LLM-cost analytics on top of the open-source gateway.
Usage-based
No
No
MoesifAPI analytics and usage-based billing platform that turns raw API traffic into per-customer usage dashboards and metered invoices.
Free tier + paid
Yes
No
PostmanAPI client and collaboration platform whose Insights agent passively observes production traffic to build automatic endpoint coverage and usage dashboards.
Subscription
Yes
No
ReadMeDeveloper-documentation platform whose Metrics feature turns API-key-tagged traffic into per-developer usage, error, and endpoint dashboards.
Subscription
Yes
No
SpeakeasyOpenAPI-native SDK generator whose separate request-capture SDKs feed a per-customer usage and replay dashboard.
Quote only
No
No
TreblleRuntime intelligence platform that captures full, unsampled API traffic for observability, governance, and security across gateways and clouds.
Better StackDeveloper-friendly SaaS combining log/trace analytics, uptime monitoring and incident management with transparent per-GB pricing.
Usage-based
Yes
No
ElasticsearchDistributed search and analytics engine underlying the ELK stack, used for log analytics, full-text search and, via Elastic Security, SIEM.
Usage-based
Yes
No
Grafana LokiOpen-source log aggregation system that indexes only metadata labels, designed to pair cheaply with Grafana dashboards.
Free tier + paid
Yes
Yes
GraylogSelf-hostable log management platform with a free source-available core and paid Enterprise/Security tiers billed by daily volume.
Free tier + paid
Yes
Yes
OpenSearchOpen-source fork of Elasticsearch/Kibana for log analytics and search, now governed under the Linux Foundation.
Open source + paid
Yes
Yes
SplunkLong-established platform for indexing and searching machine data at scale, used for both IT log analytics and SIEM.
Quote only
No
No
Sumo LogicCloud-native SaaS log analytics platform with a credits-based consumption model covering logs, metrics and security.