# PubNub vs Webhook Relay (slim)

> PubNub scores 68.1 (B) to Webhook Relay's 57.8 (C) for sending webhooks. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/pubnub-vs-webhook-relay.md (~2,350 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/pubnub-vs-webhook-relay.json · canonical https://www.anchorterminal.com/compare/pubnub-vs-webhook-relay
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

PubNub scores 68.1 (B) on agent readiness against Webhook Relay's 57.8 (C), and leads in 6 of 7 scored categories. Webhook Relay leads on payments & pricing. Both do sending webhooks.

- PubNub: B 68.1, rank #230 of 950 · https://www.anchorterminal.com/tools/pubnub.min.md
- Webhook Relay: C 57.8, rank #597 of 950 · https://www.anchorterminal.com/tools/webhook-relay.min.md
- PubNub, good for Live fan-out to many connected clients with presence and history, and for an agent that manages a PubNub account through MCP. Ahead on Reliability, 76 against 47; Schema & documentation, 77 against 71; Agent ergonomics, 71 against 59; Maintenance & community, 83 against 55. Also Runs on your own machine.
- Webhook Relay, good for Teams that need third-party webhooks to reach localhost, on-premises CI or private Kubernetes services, with an agent that can configure buckets and inspect failed deliveries over MCP. Ahead on Payments & pricing, 50 against 40.

| Category | PubNub | Webhook Relay |
| --- | --- | --- |
| Reliability (16%) | 76 | 47 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 77 | 71 |
| Agent ergonomics (13%) | 71 | 59 |
| Security & auth (14%) | 63 | 61 |
| Payments & pricing (10%) | 40 | 50 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 83 | 55 |
| Transparency & trust (7%) | 64 | 63 |

| Fact (where they differ) | PubNub | Webhook Relay |
| --- | --- | --- |
| Vendor | PubNub Inc. | AppScension Ltd |
| Hosted endpoint | `https://ps.pndsn.com` | `https://my.webhookrelay.com/v1` |
| Transports | HTTP, stdio | HTTP |
| Licence | Proprietary service under PubNub's Terms and Conditions. The SDKs and the MCP server on GitHub are source-available under the PubNub Software Development Kit Licence Agreement, which is not an OSI licence | Proprietary hosted service under Webhook Relay's terms of service. The Go SDK is BSD-3-Clause and the TypeScript SDK is MIT. The `relay` CLI and the server are closed source |
| Tools exposed | 17 | 40 |
| Read-only variant documented | no | yes |
| MCP registry | `io.github.pubnub/mcp-server` | not listed |
| Last release | 2026-09-22 | 2026-05-23 |
| Terms last updated | 2023-05-05 | 2019-11-25 |
| Privacy policy last updated | 2026-04-01 | 2018-06-01 |
| Terms restrict benchmarking | yes | not found in the text |
| Terms or service can change without notice | yes | not found in the text |
| Popularity | 284k npm/wk | 9 stars, 24 npm/wk |