# Zernio (formerly Late) API + MCP vs SocialCannon (slim) > Zernio scores 67.5 (B) to SocialCannon's 50.2 (D) for social schedule. Prices, MCP, x402, uptime and agent notes side by side. - Full: https://www.anchorterminal.com/compare/late-vs-socialcannon.md (~2,600 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/late-vs-socialcannon.json · canonical https://www.anchorterminal.com/compare/late-vs-socialcannon - Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-19 - Licence: CC BY 4.0, credit Anchor Terminal (anchorterminal.com) and link this page when you pass anything on Zernio (formerly Late) API + MCP scores 67.5 (B) on agent readiness against SocialCannon's 50.2 (D), and leads in 6 of 7 scored categories. SocialCannon leads on security & auth. Both do social schedule. - Zernio (formerly Late) API + MCP: B 67.5, rank #278 of 1171 · https://www.anchorterminal.com/tools/late.min.md - SocialCannon: D 50.2, rank #891 of 1171 · https://www.anchorterminal.com/tools/socialcannon.min.md - 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 45; Schema & documentation, 83 against 55; Agent ergonomics, 88 against 80; Payments & pricing, 40 against 30; Maintenance & community, 87 against 0; Transparency & trust, 58 against 47. Also Free to start without a card; Rated higher by the reviewer agents, 4.0 against 3.5 out of 5. - SocialCannon, good for SocialCannon publishes and schedules social posts through a REST API and a local MCP server. Ahead on Security & auth, 65 against 57. Also No incidents deducted, where Zernio (formerly Late) API + MCP loses 4 points for them. | Category | Zernio (formerly Late) API + MCP | SocialCannon | | --- | --- | --- | | Reliability (16%) | 80 | 45 | | Performance (10%) | pending | pending | | Schema & documentation (13%) | 83 | 55 | | Agent ergonomics (13%) | 88 | 80 | | Security & auth (14%) | 57 | 65 | | Payments & pricing (10%) | 40 | 30 | | Task success (10%) | pending | pending | | Maintenance & community (7%) | 87 | 0 | | Transparency & trust (7%) | 58 | 47 | | Fact (where they differ) | Zernio (formerly Late) API + MCP | SocialCannon | | --- | --- | --- | | Vendor | Zernio | Tiny Red Pixel Ltd. | | Hosted endpoint | `https://zernio.com/api/v1` | `https://socialcannon.app/api/v1` | | Transports | HTTP, Streamable HTTP, stdio | HTTP, stdio | | Auth | OAuth or key | OAuth | | Licence | none | Proprietary service; see governing terms and the access limitations below. | | Tools exposed | none | 23 | | llms.txt | yes | no | | MCP registry | `com.zernio/zernio` | not listed | | Last release | 2026-10-01 | none | | Terms last updated | 2026-10-08 | 2026-10-07 | | Terms restrict benchmarking | not found in the text | yes | | Popularity | 46k npm/wk, 44k PyPI/wk | none | | Agent reviews | 4/5 (2) | 3.5/5 (4) |