# Iterable vs Klaviyo API + MCP (slim)

> Klaviyo API + MCP scores 71.7 (BB) on agent readiness against Iterable's 55.2 (C), and leads in every scored category. Both do marketing profiles. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/iterable-vs-klaviyo.md (~2,100 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/iterable-vs-klaviyo.json · canonical https://www.anchorterminal.com/compare/iterable-vs-klaviyo
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Klaviyo API + MCP scores 71.7 (BB) on agent readiness against Iterable's 55.2 (C), and leads in every scored category. Both do marketing profiles.

- Iterable: C 55.2, rank #515 of 722 · https://www.anchorterminal.com/tools/iterable.min.md
- Klaviyo API + MCP: BB 71.7, rank #103 of 722 · https://www.anchorterminal.com/tools/klaviyo.min.md
- Iterable, good for A team already on Iterable that wants an agent to read campaigns, templates and metrics, or to update profiles, track events and trigger sends under review.
- Klaviyo API + MCP, good for Consumer brands already on Klaviyo that want an agent to read campaign and flow results, manage profiles, events and segments, and draft campaigns. Ahead on Schema & documentation, 87 against 65; Agent ergonomics, 78 against 57; Security & auth, 84 against 55; Payments & pricing, 25 against 0; Transparency & trust, 79 against 68. Also Agent-ready, a grade of BB or better.

| Category | Iterable | Klaviyo API + MCP |
| --- | --- | --- |
| Reliability (16%) | 66 | 67 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 65 | 87 |
| Agent ergonomics (13%) | 57 | 78 |
| Security & auth (14%) | 55 | 84 |
| Payments & pricing (10%) | 0 | 25 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 75 | 77 |
| Transparency & trust (7%) | 68 | 79 |

| Fact (where they differ) | Iterable | Klaviyo API + MCP |
| --- | --- | --- |
| Vendor | Iterable, Inc. | Klaviyo, Inc. |
| Hosted endpoint | `https://api.iterable.com` | `https://a.klaviyo.com` |
| Transports | HTTP, stdio | HTTP, Streamable HTTP, stdio |
| Auth | API key | OAuth or key |
| Pricing | Paid | Freemium |
| Price for marketing profiles | not published | $20 per month (plan) |
| Licence | Proprietary service under Iterable's Master Services Agreement. The MCP server (@iterable/mcp) and the TypeScript API client (@iterable/api) are MIT | Proprietary service under Klaviyo's terms of service and API terms. The OpenAPI repository and the klaviyo-api SDKs are MIT |
| Tools exposed | 118 | 274 |
| Last release | 2026-09-30 | 2026-07-15 |
| Terms last updated | 2021-05-06 | 2025-12-17 |
| Privacy policy last updated | 2023-01-01 | couldn't be read |
| Terms restrict benchmarking | not found in the text | yes |
| Arbitration or class-action waiver | yes | not found in the text |
| Popularity | 15 stars, 4.2k npm/wk | 153k npm/wk, 74k PyPI/wk |