# Kustomer vs Missive API + MCP (slim)

> Kustomer scores 57.3 (C) on agent readiness against Missive API + MCP's 54.3 (C), and leads in 5 of 7 scored categories. Missive API + MCP leads on payments & pricing and transparency & trust. Both do support conversations. Category scores, facts, verdicts and agent notes side…

- Full: https://www.anchorterminal.com/compare/kustomer-vs-missive.md (~2,600 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/kustomer-vs-missive.json · canonical https://www.anchorterminal.com/compare/kustomer-vs-missive
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Kustomer scores 57.3 (C) on agent readiness against Missive API + MCP's 54.3 (C), and leads in 5 of 7 scored categories. Missive API + MCP leads on payments & pricing and transparency & trust. Both do support conversations.

- Kustomer: C 57.3, rank #553 of 842 · https://www.anchorterminal.com/tools/kustomer.min.md
- Missive API + MCP: C 54.3, rank #615 of 842 · https://www.anchorterminal.com/tools/missive.min.md
- Kustomer, good for Larger support teams already on Kustomer who want an agent to read the full customer timeline and write messages, notes and status changes under a narrowly scoped key. Ahead on Reliability, 76 against 60; Schema & documentation, 63 against 52; Agent ergonomics, 56 against 46.
- Missive API + MCP, good for Small teams that already run their mail in Missive and want an agent to triage, label, post internal notes and draft replies for a person to send. Ahead on Payments & pricing, 30 against 5; Transparency & trust, 77 against 64. Also Free to start without a card.

| Category | Kustomer | Missive API + MCP |
| --- | --- | --- |
| Reliability (16%) | 76 | 60 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 63 | 52 |
| Agent ergonomics (13%) | 56 | 46 |
| Security & auth (14%) | 64 | 61 |
| Payments & pricing (10%) | 5 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 61 | 60 |
| Transparency & trust (7%) | 64 | 77 |

| Fact (where they differ) | Kustomer | Missive API + MCP |
| --- | --- | --- |
| Vendor | Kustomer, LLC | Missive |
| Hosted endpoint | `https://api.kustomerapp.com/v1` | `https://public.missiveapp.com/v1` |
| Transports | HTTP | HTTP, Streamable HTTP |
| Licence | Proprietary service under Kustomer's Master Subscription Agreement | Proprietary service under Missive's Terms and Conditions |
| Read-only variant documented | yes | no |
| llms.txt | no | yes |
| Last release | 2026-10-06 | 2026-10-08 |
| Terms last updated | 2026-06-18 | 2024-04-15 |
| Privacy policy last updated | 2025-05-15 | 2026-03-27 |
| Terms restrict benchmarking | yes | not found in the text |
| Terms or service can change without notice | not found in the text | yes |