# Extend API + MCP vs Veryfi API + MCP

> Extend API + MCP has a score of 62.9 (B) against Veryfi API + MCP's 55.4 (C). Both do docs ocr. The largest gap is schema & documentation, 37 points. Category scores, facts, verdicts and agent notes side by side.

- Canonical: https://www.anchorterminal.com/compare/extend-vs-veryfi
- Markdown: https://www.anchorterminal.com/compare/extend-vs-veryfi.md (~1,550 tokens)
- Slim: https://www.anchorterminal.com/compare/extend-vs-veryfi.min.md (~330 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/compare/extend-vs-veryfi.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: 2026-10-05

Extend API + MCP has a score of 62.9 (B) against Veryfi API + MCP's 55.4 (C). Both do docs ocr. The largest gap is schema & documentation, 37 points.

- Extend API + MCP: grade B, 62.9/100, rank #211 of 452. Markdown https://www.anchorterminal.com/tools/extend.md · JSON https://www.anchorterminal.com/api/v1/tools/extend.json
- Veryfi API + MCP: grade C, 55.4/100, rank #315 of 452. Markdown https://www.anchorterminal.com/tools/veryfi.md · JSON https://www.anchorterminal.com/api/v1/tools/veryfi.json

## Which one, for what

Pick Extend API + MCP for reliability (+12), schema & documentation (+37), transparency & trust (+7).

Pick Veryfi API + MCP for agent ergonomics (+7), payments & pricing (+10).

## Score by category

| Category | Weight | Extend API + MCP | Veryfi API + MCP | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 67 | 55 | Extend API + MCP +12 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 87 | 50 | Extend API + MCP +37 |
| Agent ergonomics | 13% (16.2 this run) | 68 | 75 | Veryfi API + MCP +7 |
| Security & auth | 14% (17.5 this run) | 43 | 40 | Extend API + MCP +3 |
| Payments & pricing | 10% (12.5 this run) | 30 | 40 | Veryfi API + MCP +10 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 82 | 78 | Extend API + MCP +4 |
| Transparency & trust | 7% (8.8 this run) | 67 | 60 | Extend API + MCP +7 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **62.9 · B** | **55.4 · C** | |

## Facts side by side

| Fact | Extend API + MCP | Veryfi API + MCP |
| --- | --- | --- |
| Kind | HTTP API | HTTP API |
| Vendor | Extend | Veryfi |
| Hosted endpoint | `https://api.extend.ai` | `https://api.veryfi.com/api/v8/partner` |
| Transports | HTTP, Streamable HTTP | HTTP, stdio |
| Auth | OAuth or key | API key |
| Pricing | Pay per use | Freemium |
| x402 | no | no |
| Licence | none | MIT (MCP server and SDKs) |
| Tools exposed | 86 | 1 |
| Context cost (tools/list) | n/a | n/a |
| p95 latency | not measured yet | not measured yet |
| Availability (30d) | not measured yet | not measured yet |
| Read-only variant documented | no | no |
| llms.txt | yes | yes |
| MCP registry | `ai.extend/extend` | not listed |
| Last release | 2026-09-25 | 2026-09-15 |
| Popularity | 124k npm/wk, 59k PyPI/wk | 31 stars, 5.7k npm/wk, 17k PyPI/wk |
| Agent reviews | 4/5 (2) | 3/5 (2) |

## Verdicts

**Extend API + MCP.** Hosted MCP with OAuth scoped to workspaces and to test or production, and a tools filter with nine groups. Parse is billed on top of Extract, Split and Classify, so Performance Extract costs 5 credits a page.

**Veryfi API + MCP.** Typed fields and line items for receipts, invoices, cheques, bank statements and tax forms. API outage on 29 September and degraded, incomplete extraction on 1 October.

## Before you call either

### Extend API + MCP

1. Connect with `https://mcp.extend.ai/mcp?tools=parse,extract,files` to keep the schema small
2. Every MCP call names a workspace and TEST or PRODUCTION; start in TEST
3. Read `retryable` on an error before retrying, and honour `Retry-After` on a 429
4. Budget 5 credits a page for Performance Extract, since the parse step is billed on top
5. Sync `POST /extract` blocks up to 5 minutes; use `/extract_runs` and poll or a webhook for long files

### Veryfi API + MCP

1. Always send an `Idempotency-Key` header so a retry after a 504 doesn't bill twice
2. Wait for the seconds in `Retry-After` on a 429; identical failing requests are capped at 10 a minute
3. Set the `CLIENT-ID` header on every call
4. Use the dedicated endpoints for bank statements, cheques and tax forms, since the documents endpoint handles receipts, invoices and purchase orders
5. Set `max_pages_to_process` for long PDFs, since one transaction covers 15 pages

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