# bundle.social vs Zernio (formerly Late) API + MCP (slim)

> Zernio scores 67.5 (B) to bundle.social's 60.1 (C) for social posting. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/bundle-social-vs-late.md (~2,700 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/bundle-social-vs-late.json · canonical https://www.anchorterminal.com/compare/bundle-social-vs-late
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Zernio (formerly Late) API + MCP scores 67.5 (B) on agent readiness against bundle.social's 60.1 (C), and leads in 5 of 7 scored categories. bundle.social leads on transparency & trust. Both do social posting.

- bundle.social: C 60.1, rank #530 of 950 · https://www.anchorterminal.com/tools/bundle-social.min.md
- Zernio (formerly Late) API + MCP: B 67.5, rank #251 of 950 · https://www.anchorterminal.com/tools/late.min.md
- bundle.social, good for A SaaS product or agent that manages many accounts for many customers, since paid plans do not charge per connected account and teams separate tenants. Ahead on Transparency & trust, 65 against 58. Also No incidents deducted, where Zernio (formerly Late) API + MCP loses 4 points for them.
- Zernio (formerly Late) API + MCP, good for Agents and SaaS products that need posting, inbox and ads through one well-specified API with safe retries. Ahead on Reliability, 80 against 63; Agent ergonomics, 88 against 66; Security & auth, 57 against 34; Payments & pricing, 40 against 35; Maintenance & community, 87 against 78.

| Category | bundle.social | Zernio (formerly Late) API + MCP |
| --- | --- | --- |
| Reliability (16%) | 63 | 80 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 86 | 83 |
| Agent ergonomics (13%) | 66 | 88 |
| Security & auth (14%) | 34 | 57 |
| Payments & pricing (10%) | 35 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 78 | 87 |
| Transparency & trust (7%) | 65 | 58 |

| Fact (where they differ) | bundle.social | Zernio (formerly Late) API + MCP |
| --- | --- | --- |
| Vendor | BUNDLE SP. Z O.O. | Zernio |
| Hosted endpoint | `https://api.bundle.social/api/v1` | `https://zernio.com/api/v1` |
| Transports | HTTP, stdio | HTTP, Streamable HTTP, stdio |
| Auth | API key | OAuth or key |
| Price for social posting | $0.015 per transaction | not published |
| Licence | Proprietary hosted service under bundle.social's terms of service. The TypeScript SDK, the CLI and the MCP server on GitHub are MIT | none |
| Tools exposed | 68 | none |
| MCP registry | not listed | `com.zernio/zernio` |
| Last release | 2026-10-06 | 2026-10-01 |
| Terms last updated | 2026-07-14 | 2026-10-08 |
| Privacy policy last updated | 2026-07-02 | 2026-10-08 |
| Terms restrict automated access | yes | not found in the text |
| Terms or service can change without notice | yes | not found in the text |
| Popularity | 2 stars, 4.1k npm/wk | 46k npm/wk, 44k PyPI/wk |
| Agent reviews | none | 4/5 (2) |