# Snapchat Ads API vs X Ads API

> X Ads scores 57.3 (C) to Snapchat Ads's 50.4 (D) for ad reporting. Prices, MCP, x402, uptime and agent notes side by side.

- Canonical: https://www.anchorterminal.com/compare/snapchat-ads-vs-x-ads
- Markdown: https://www.anchorterminal.com/compare/snapchat-ads-vs-x-ads.md (~2,250 tokens)
- Slim: https://www.anchorterminal.com/compare/snapchat-ads-vs-x-ads.min.md (~630 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/compare/snapchat-ads-vs-x-ads.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- Updated: 2026-10-09

X Ads API scores 57.3 (C) on agent readiness against Snapchat Ads API's 50.4 (D), and leads in 4 of 7 scored categories. Snapchat Ads API leads on security & auth and transparency & trust. Both do ad reporting.

- Snapchat Ads API: grade D, 50.4/100, rank #771 of 950. Markdown https://www.anchorterminal.com/tools/snapchat-ads.md · JSON https://www.anchorterminal.com/api/v1/tools/snapchat-ads.json
- X Ads API: grade C, 57.3/100, rank #616 of 950. Markdown https://www.anchorterminal.com/tools/x-ads.md · JSON https://www.anchorterminal.com/api/v1/tools/x-ads.json
- Best advertising platform APIs for AI agents: https://www.anchorterminal.com/best/advertising/index.md
- All 28 advertising comparisons: https://www.anchorterminal.com/compare/advertising/index.md

## Which one, for what

### Snapchat Ads API (D)

Good for: An agent that manages or reports on Snapchat campaigns for an advertiser whose admin can create an OAuth app.

Ahead on:
- Security & auth, 65 against 48
- Transparency & trust, 69 against 62

Watch for: No OpenAPI specification, Postman collection or Ads API SDK was found in the reviewed documentation

### X Ads API (C)

Good for: An agent that manages or reports on X campaigns for an advertiser with an approved developer app, especially through the MCP server, where scopes separate reads from writes and writes start paused.

Ahead on:
- Reliability, 75 against 34
- Schema & documentation, 64 against 56
- Agent ergonomics, 62 against 57

Watch for: No OpenAPI file covers the Ads API. The published file (version 2.170, 178 paths) describes api.x.com only


## Score by category

| Category | Weight | Snapchat Ads API | X Ads API | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 34 | 75 | X Ads API +41 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 56 | 64 | X Ads API +8 |
| Agent ergonomics | 13% (16.2 this run) | 57 | 62 | X Ads API +5 |
| Security & auth | 14% (17.5 this run) | 65 | 48 | Snapchat Ads API +17 |
| Payments & pricing | 10% (12.5 this run) | 20 | 20 | even |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 61 | 63 | X Ads API +2 |
| Transparency & trust | 7% (8.8 this run) | 69 | 62 | Snapchat Ads API +7 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **50.4 · D** | **57.3 · C** | |

## Facts side by side

| Fact | Snapchat Ads API | X Ads API |
| --- | --- | --- |
| Kind | HTTP API | HTTP API |
| Vendor | Snap Inc. | X Corp. |
| Hosted endpoint | `https://mcp.snapchat.com/ads` | `https://ads-api.x.com/mcp` |
| Transports | HTTP | HTTP |
| Auth | OAuth | OAuth |
| Pricing | Free | Free |
| x402 | no | no |
| Licence | Proprietary service under the Snap Developer Terms, which incorporate the Business Services Terms and the Snap Business Tools Terms | Proprietary service under the X Developer Agreement and its incorporated Developer Policy |
| Read-only variant documented | yes | yes |
| llms.txt | yes | yes |
| Last release | 2026-10-06 | 2026-09-17 |
| Terms last updated | 2025-01-31 | 2026-04-27 |
| Privacy policy last updated | 2026-09-21 | couldn't be read |
| Customer content may train models | yes | not found in the text |
| Terms restrict automated access | yes | not found in the text |
| Terms restrict benchmarking | yes | yes |
| Terms or service can change without notice | not found in the text | not found in the text |
| Arbitration or class-action waiver | yes | yes |

## Verdicts

**Snapchat Ads API.** The docs are served as Markdown with an llms.txt index, rate limits are published as 20 requests a second per app and 10 per token, and test ad accounts never serve live ads. No OpenAPI specification, status page, SLA, idempotency key or Ads API SDK was found, and one OAuth scope covers both reads and writes.

**X Ads API.** Rate limits are published per endpoint type, a sandbox host never serves ads, and the X Ads MCP server has separate read and write scopes and creates campaigns paused. The REST API needs OAuth 1.0a signing and an approved app, no OpenAPI file covers it, and the official Python and Ruby SDKs were last released in May 2022.

## Before you call either

### Snapchat Ads API

1. Refresh the access token every 60 minutes with the refresh token. An expired token returns 401 with `WWW-Authenticate: Bearer error="invalid_token"`
2. Create a test ad account with `"test": true` and build there first, and create campaigns with `"status": "PAUSED"`
3. Change one field with PATCH (JSON Patch). A PUT that omits attributes resets them to their defaults
4. Send money as micro-currency, where 1.00 of the account currency is 1,000,000
5. Page lists with `limit` (50 to 1,000) and follow `paging.next_link`. Use `async=true` for large stats pulls, since an oversized response fails with `E9001` and a retry does not help

### X Ads API

1. Build against `https://ads-api-sandbox.x.com/12/` first. Create a test account with `POST accounts` and a funding instrument there before touching a live account
2. On HTTP 429 wait until the time in `x-rate-limit-reset`. On 503 wait for `retry-after`. The docs say apps that ignore these can be throttled or lose access without notice
3. Read the account-level limit from `x-account-rate-limit-*` when present and use `x-rate-limit-*` only when it is absent
4. For a read-only MCP session request `ads.read offline.access` only. Without `offline.access` the token expires in about two hours with no refresh
5. Page with `count` (1 to 1,000, default 200) and `cursor` until `next_cursor` is null. Analytics endpoints page by time range instead, and `with_total_count` cannot be combined with `cursor`

## Questions

### Which is better for AI agents, Snapchat Ads API or X Ads API?

X Ads API scores 57.3 (C) on agent readiness against Snapchat Ads API's 50.4 (D), and leads in 4 of 7 scored categories. Snapchat Ads API leads on security & auth and transparency & trust.

### Do Snapchat Ads API and X Ads API need an API key?

Both use an OAuth sign-in.

### Can an agent call Snapchat Ads API and X Ads API without installing anything?

Yes. Snapchat Ads API has a hosted endpoint at https://mcp.snapchat.com/ads and X Ads API at https://ads-api.x.com/mcp.


## For agents

- This comparison as JSON: https://www.anchorterminal.com/compare/snapchat-ads-vs-x-ads.json, and with the fewest tokens: https://www.anchorterminal.com/compare/snapchat-ads-vs-x-ads.min.md
- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "snapchat-ads", "b": "x-ads"}`. From a terminal: `anchor compare snapchat-ads x-ads`
- Each listing in full: https://www.anchorterminal.com/api/v1/tools/snapchat-ads.json and https://www.anchorterminal.com/api/v1/tools/x-ads.json

## Other comparisons with Snapchat Ads API or X Ads API

- [Amazon Ads API vs Snapchat Ads API](https://www.anchorterminal.com/compare/amazon-ads-api-vs-snapchat-ads.md)
- [Amazon Ads API vs X Ads API](https://www.anchorterminal.com/compare/amazon-ads-api-vs-x-ads.md)
- [Apple Ads Platform API vs Snapchat Ads API](https://www.anchorterminal.com/compare/apple-ads-vs-snapchat-ads.md)
- [Apple Ads Platform API vs X Ads API](https://www.anchorterminal.com/compare/apple-ads-vs-x-ads.md)
- [Google Ads API vs Snapchat Ads API](https://www.anchorterminal.com/compare/google-ads-api-vs-snapchat-ads.md)
- [Google Ads API vs X Ads API](https://www.anchorterminal.com/compare/google-ads-api-vs-x-ads.md)
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- [Meta Marketing API vs X Ads API](https://www.anchorterminal.com/compare/meta-marketing-api-vs-x-ads.md)
- [Microsoft Advertising API vs Snapchat Ads API](https://www.anchorterminal.com/compare/microsoft-advertising-api-vs-snapchat-ads.md)
- [Microsoft Advertising API vs X Ads API](https://www.anchorterminal.com/compare/microsoft-advertising-api-vs-x-ads.md)