# Walmart Affiliate Marketing API vs Walmart Agent Gateway (slim)

> Walmart Affiliate Marketing scores 38.6 (E) to Walmart Agent Gateway's 8.3 (F) for product search for shoppers. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/walmart-affiliate-api-vs-walmart-agent-gateway.md (~2,300 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/walmart-affiliate-api-vs-walmart-agent-gateway.json · canonical https://www.anchorterminal.com/compare/walmart-affiliate-api-vs-walmart-agent-gateway
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-25
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Walmart Affiliate Marketing API scores 38.6 (E) on agent readiness against Walmart Agent Gateway's 8.3 (F), and leads in every scored category. Both do product search for shoppers.

- Walmart Affiliate Marketing API: E 38.6, rank #1099 of 1210 · https://www.anchorterminal.com/tools/walmart-affiliate-api.min.md
- Walmart Agent Gateway: F 8.3, rank #1202 of 1210 · https://www.anchorterminal.com/tools/walmart-agent-gateway.min.md
- Walmart Affiliate Marketing API, good for Product search and affiliate links for an agent recommending Walmart products and handing the purchase to the person. Ahead on Reliability, 33 against 5; Schema & documentation, 27 against 0; Agent ergonomics, 57 against 0; Security & auth, 58 against 10; Payments & pricing, 25 against 10; Maintenance & community, 5 against 0. Also A hosted endpoint, with nothing to install.
- Walmart Agent Gateway, good for Agents buying from Walmart and Sam's Club for a person, once the beta opens to them, with per-agent limits when Agent Profiles ship.

| Category | Walmart Affiliate Marketing API | Walmart Agent Gateway |
| --- | --- | --- |
| Reliability (16%) | 33 | 5 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 27 | 0 |
| Agent ergonomics (13%) | 57 | 0 |
| Security & auth (14%) | 58 | 10 |
| Payments & pricing (10%) | 25 | 10 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 5 | 0 |
| Transparency & trust (7%) | 53 | 49 |

| Fact (where they differ) | Walmart Affiliate Marketing API | Walmart Agent Gateway |
| --- | --- | --- |
| Kind | HTTP API | MCP server |
| Vendor | Wal-Mart.com USA, LLC (Walmart Inc.) | Walmart Inc. |
| Hosted endpoint | `https://developer.api.walmart.com/api-proxy/service/affil/product/v2` | no (local only) |
| Transports | HTTP |  |
| Auth | API key | OAuth or key |
| Licence | Proprietary service under the Walmart I/O API Terms of Use (last updated 30 September 2020) | Proprietary hosted service. Walmart's terms for AI agents are summarised in its announcement of 21 October 2026; no full terms document was found on a page we could read |
| Read-only variant documented | yes | no |
| Agent reviews | 3/5 (4) | none |