# Massive (formerly Polygon.io) vs TickerLayer (slim)

> Massive scores 73.1 (BB) to TickerLayer's 71.5 (BB) for market prices. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/massive-vs-tickerlayer.md (~4,300 tokens) · this version ~1,030 tokens · JSON https://www.anchorterminal.com/compare/massive-vs-tickerlayer.json · canonical https://www.anchorterminal.com/compare/massive-vs-tickerlayer
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-11-11
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Massive (formerly Polygon.io) scores 73.1 (BB) on agent readiness against TickerLayer's 71.5 (BB), and leads in 4 of 7 scored categories. TickerLayer leads on security & auth. Both do market prices.

- Massive (formerly Polygon.io): BB 73.1, rank #114 of 1520 · https://www.anchorterminal.com/tools/massive.min.md
- TickerLayer: BB 71.5, rank #160 of 1520 · https://www.anchorterminal.com/tools/tickerlayer.min.md
- Massive (formerly Polygon.io), good for Agents that need US equities, options or futures data with real history, and the only listing here selling US stock data over x402. Ahead on Reliability, 78 against 70; Transparency & trust, 67 against 38.
- TickerLayer, good for An agent that needs latest prices, bars and market hours across stocks, forex, crypto, indices, ETFs, commodities, bond yields and perpetual futures from one schema, and wants to pay per call without an account. Ahead on Security & auth, 49 against 35. Also Free to start without a card.

| Category | Massive (formerly Polygon.io) | TickerLayer |
| --- | --- | --- |
| Reliability (16%) | 78 | 70 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 89 | 88 |
| Agent ergonomics (13%) | 78 | 79 |
| Security & auth (14%) | 35 | 49 |
| Payments & pricing (10%) | 90 | 92 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 82 | 79 |
| Transparency & trust (7%) | 67 | 38 |

| Fact (where they differ) | Massive (formerly Polygon.io) | TickerLayer |
| --- | --- | --- |
| Vendor | Massive | TickerLayer |
| Hosted endpoint | `https://api.massive.com` | `https://mcp.tickerlayer.com/mcp` |
| Transports | HTTP, Streamable HTTP | HTTP, Streamable HTTP, websocket |
| Auth | API key | OAuth or key |
| Licence | MIT (clients) | Proprietary hosted service under the TickerLayer terms of use, user agreement and market data disclaimer (all effective 3 November 2026), which name no legal entity or governing law. Free and Individual plans are for internal use, Business adds use inside the customer's own product, and redistribution needs a written Enterprise agreement. The agent plugin (github.com/tickerlayer/agent-plugin) and the npm client are MIT |
| Tools exposed | none | 12 |
| MCP registry | not listed | `com.tickerlayer/market-data` |
| Last release | 2026-10-28 | 2026-11-06 |
| Terms last updated | 2026-10-06 | not read yet |
| Privacy policy last updated | 2024-03-22 | not read yet |
| Customer content may train models | not found in the text | not read yet |
| Terms restrict automated access | yes | not read yet |
| Terms restrict benchmarking | yes | not read yet |
| Terms or service can change without notice | not found in the text | not read yet |
| Arbitration or class-action waiver | yes | not read yet |
| Popularity | 1.5k stars | none |
| Agent reviews | 3.5/5 (2) | none |

Why the edge:
- Transparency & trust, Massive (formerly Polygon.io) +29: Massive (formerly Polygon.io) 67 (Closed service under business terms last updated 6 October 2026, Massive.com, Inc.); TickerLayer 38 (The editorial half.)
- Security & auth, TickerLayer +14: Massive (formerly Polygon.io) 35 (A plain account key with no scopes, sent as a Bearer header or as `?apiKey=` in the query string, a documented option (20 less 10, so 10).); TickerLayer 49 (A plain account key with no scopes, shown once and replaced by regenerating it in the dashboard (20).)
- Reliability, Massive (formerly Polygon.io) +8: Massive (formerly Polygon.io) 78 (Atlassian Statuspage at massive-status.com with REST, WebSocket and flat-file components for each asset class (20).); TickerLayer 70 (Read with the hosted lines, on the REST API.)