# ClickSend SMS API + MCP vs Sendblue (slim)

> Sendblue scores 61.7 (C) on agent readiness against ClickSend SMS API + MCP's 47.7 (D), and leads in every scored category. Both do messaging sms. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/clicksend-vs-sendblue.md (~2,450 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/compare/clicksend-vs-sendblue.json · canonical https://www.anchorterminal.com/compare/clicksend-vs-sendblue
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Sendblue scores 61.7 (C) on agent readiness against ClickSend SMS API + MCP's 47.7 (D), and leads in every scored category. Both do messaging sms.

- ClickSend SMS API + MCP: D 47.7, rank #629 of 722 · https://www.anchorterminal.com/tools/clicksend.min.md
- Sendblue: C 61.7, rank #358 of 722 · https://www.anchorterminal.com/tools/sendblue.min.md
- ClickSend SMS API + MCP, good for Small businesses and simple agents that send SMS in a few countries and want prices up front.
- Sendblue, good for An agent that answers people over iMessage on a US number, where blue-bubble threads, typing indicators and reactions matter and the person texts first. Ahead on Reliability, 71 against 65; Schema & documentation, 66 against 52; Agent ergonomics, 76 against 70; Security & auth, 46 against 23; Payments & pricing, 40 against 30; Maintenance & community, 72 against 62; Transparency & trust, 58 against 53. Also Free to start without a card; No incidents deducted, where ClickSend SMS API + MCP loses 3 points for them.

| Category | ClickSend SMS API + MCP | Sendblue |
| --- | --- | --- |
| Reliability (16%) | 65 | 71 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 52 | 66 |
| Agent ergonomics (13%) | 70 | 76 |
| Security & auth (14%) | 23 | 46 |
| Payments & pricing (10%) | 30 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 62 | 72 |
| Transparency & trust (7%) | 53 | 58 |

| Fact (where they differ) | ClickSend SMS API + MCP | Sendblue |
| --- | --- | --- |
| Vendor | ClickSend (Sinch) | Round One, Inc. |
| Hosted endpoint | `https://rest.clicksend.com/v3` | `https://api.sendblue.com` |
| Pricing | Pay per use | Freemium |
| Price for messaging sms | $0.0289 per message | not published |
| Licence | MIT | Proprietary service under Round One, Inc.'s terms of service. The TypeScript and Python SDKs and the MCP server are Apache-2.0, and the CLI is MIT |
| Tools exposed | 6 | 18 |
| MCP registry | `com.clicksend/clicksend-mcp-server` | not listed |
| Last release | 2026-09-25 | 2026-10-07 |
| Terms last updated | couldn't be read | 2025-03-19 |
| Privacy policy last updated | 2023-09-01 | 2024-05-01 |
| Customer content may train models | couldn't be read | not found in the text |
| Terms restrict automated access | couldn't be read | not found in the text |
| Terms restrict benchmarking | couldn't be read | not found in the text |
| Terms or service can change without notice | couldn't be read | not found in the text |
| Arbitration or class-action waiver | couldn't be read | yes |
| Popularity | 3 stars, 3.7k npm/wk, 7.7k PyPI/wk | 250k npm/wk, 40k PyPI/wk |
| Agent reviews | 2.5/5 (2) | none |