# Expensify vs Payhawk API + MCP

> Payhawk API + MCP scores 57.1 (C) on agent readiness against Expensify's 41.1 (E), and leads in 5 of 7 scored categories. Expensify leads on payments & pricing. Both do spend transactions. Category scores, facts, verdicts and agent notes side by side.

- Canonical: https://www.anchorterminal.com/compare/expensify-vs-payhawk
- Markdown: https://www.anchorterminal.com/compare/expensify-vs-payhawk.md (~2,250 tokens)
- Slim: https://www.anchorterminal.com/compare/expensify-vs-payhawk.min.md (~730 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/compare/expensify-vs-payhawk.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

Payhawk API + MCP scores 57.1 (C) on agent readiness against Expensify's 41.1 (E), and leads in 5 of 7 scored categories. Expensify leads on payments & pricing. Both do spend transactions.

- Expensify: grade E, 41.1/100, rank #801 of 842. Markdown https://www.anchorterminal.com/tools/expensify.md · JSON https://www.anchorterminal.com/api/v1/tools/expensify.json
- Payhawk API + MCP: grade C, 57.1/100, rank #561 of 842. Markdown https://www.anchorterminal.com/tools/payhawk.md · JSON https://www.anchorterminal.com/api/v1/tools/payhawk.json

## Which one, for what

### Expensify (E)

Good for: A finance team already on Expensify that wants an agent to export approved reports to an accounting system, create expenses and reports, keep categories, tags and employees in step with an HR system, or mark reports reimbursed.

Ahead on:
- Payments & pricing, 30 against 13

Watch for: No OpenAPI spec, llms.txt, version number or changelog was found for the Integration Server API

### Payhawk API + MCP (C)

Good for: A finance team already on Payhawk that wants an ERP or accounting sync, master data kept in step, purchase orders raised from another system, or an assistant that answers spend questions and prepares approvals.

Ahead on:
- Schema & documentation, 71 against 28
- Agent ergonomics, 52 against 45
- Security & auth, 71 against 34
- Maintenance & community, 53 against 23
- Transparency & trust, 78 against 58

Watch for: No self-serve route. The API needs a Payhawk customer account, and a development sandbox is requested through a form


## Score by category

| Category | Weight | Expensify | Payhawk API + MCP | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 62 | 58 | Expensify +4 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 28 | 71 | Payhawk API + MCP +43 |
| Agent ergonomics | 13% (16.2 this run) | 45 | 52 | Payhawk API + MCP +7 |
| Security & auth | 14% (17.5 this run) | 34 | 71 | Payhawk API + MCP +37 |
| Payments & pricing | 10% (12.5 this run) | 30 | 13 | Expensify +17 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 23 | 53 | Payhawk API + MCP +30 |
| Transparency & trust | 7% (8.8 this run) | 58 | 78 | Payhawk API + MCP +20 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **41.1 · E** | **57.1 · C** | |

## Facts side by side

| Fact | Expensify | Payhawk API + MCP |
| --- | --- | --- |
| Kind | HTTP API | HTTP API |
| Vendor | Expensify, Inc. | Payhawk Limited |
| Hosted endpoint | `https://integrations.expensify.com/Integration-Server/ExpensifyIntegrations` | `https://api.payhawk.com` |
| Transports | HTTP | HTTP |
| Auth | OAuth or key | OAuth or key |
| Pricing | Freemium | Paid |
| x402 | no | no |
| Licence | Proprietary service under the Expensify Terms of Service. The Expensify app client and help articles on GitHub (Expensify/App) are MIT | Proprietary service under Payhawk's general terms and conditions |
| Tools exposed | none | 82 |
| Read-only variant documented | yes | yes |
| llms.txt | no | yes |
| Last release | none | 2026-10-08 |
| Terms last updated | 2026-09-10 | 2025-12-09 |
| Privacy policy last updated | 2026-04-01 | 2026-06-29 |
| Customer content may train models | not found in the text | not found in the text |
| Terms restrict automated access | yes | not found in the text |
| Terms restrict benchmarking | not found in the text | not found in the text |
| Terms or service can change without notice | yes | not found in the text |
| Arbitration or class-action waiver | yes | not found in the text |

## Verdicts

**Expensify.** One endpoint exports reports through caller-written templates and creates expenses, reports, rules and workspace settings, with limits of 5 requests per 10 seconds published and a status page that tracks the API separately. There is no OpenAPI spec, changelog, SDK, pagination or idempotency key, and one credential pair carries the whole account's rights.

**Payhawk API + MCP.** The Developer API has a public OpenAPI 3.1 definition with 179 operations, read-only or full-access keys and a published limit of 15 requests a second. It needs a Payhawk customer account, no official SDK or API changelog was found, and the 82-tool MCP server is added by hand because it is not yet in the assistant directories.

## Before you call either

### Expensify

1. POST `requestJobDescription` as a form field to the single endpoint. Keep it out of the URL query string, because it carries the secret
2. Read `responseCode` in the body on every reply. HTTP status can be 200 on failure, and validation errors use 410
3. Stay under 5 requests per 10 seconds and 20 per 60 seconds. No Retry-After header is documented, so space retries yourself
4. Export in two calls. A `file` job returns a filename, then a `download` job fetches it. Amounts are in cents
5. Don't retry a create job blindly. No idempotency key exists, so export and check before resending. Set `dry-run` to true when testing the Advanced Employee Updater

### Payhawk API + MCP

1. Send the key in `X-Payhawk-ApiKey` or as a Bearer token to `https://api.payhawk.com/api/v3`. A read-only key returns 403 on writes
2. Page lists with `$skip` and `$take`. The help centre gives 1,000 a page and the definition a maximum of 10,000, so count what comes back
3. Pass `$filter` as URL-encoded JSON, for example `{"status":{"$equal":"draft"}}`. Date filters compare the date part only
4. Keep to 15 requests a second and wait for `Retry-After` on a 429. Do not send `Idempotency-Key` when creating a per diem expense, which returns 400
5. Use a group-level key and the `/groups/{groupId}` paths for master data in a multi-entity group. Expenses and payments stay on account paths

## Questions

### Which is better for AI agents, Expensify or Payhawk API + MCP?

Payhawk API + MCP scores 57.1 (C) on agent readiness against Expensify's 41.1 (E), and leads in 5 of 7 scored categories. Expensify leads on payments & pricing.

### Do Expensify and Payhawk API + MCP need an API key?

Both take an API key or an OAuth sign-in.

### Can an agent call Expensify and Payhawk API + MCP without installing anything?

Yes. Expensify has a hosted endpoint at https://integrations.expensify.com/Integration-Server/ExpensifyIntegrations and Payhawk API + MCP at https://api.payhawk.com.


## For agents

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

## Other comparisons with Expensify or Payhawk API + MCP

- [Airwallex Spend and Issuing vs Expensify](https://www.anchorterminal.com/compare/airwallex-vs-expensify.md)
- [Airwallex Spend and Issuing vs Payhawk API + MCP](https://www.anchorterminal.com/compare/airwallex-vs-payhawk.md)
- [BILL vs Expensify](https://www.anchorterminal.com/compare/bill-vs-expensify.md)
- [BILL vs Payhawk API + MCP](https://www.anchorterminal.com/compare/bill-vs-payhawk.md)
- [Brex vs Expensify](https://www.anchorterminal.com/compare/brex-vs-expensify.md)
- [Brex vs Payhawk API + MCP](https://www.anchorterminal.com/compare/brex-vs-payhawk.md)
- [Expensify vs Mercury API](https://www.anchorterminal.com/compare/expensify-vs-mercury.md)
- [Expensify vs Pleo API + MCP](https://www.anchorterminal.com/compare/expensify-vs-pleo.md)
- [Expensify vs Ramp](https://www.anchorterminal.com/compare/expensify-vs-ramp.md)
- [Expensify vs Spendesk API + MCP](https://www.anchorterminal.com/compare/expensify-vs-spendesk.md)
- [Mercury API vs Payhawk API + MCP](https://www.anchorterminal.com/compare/mercury-vs-payhawk.md)
- [Payhawk API + MCP vs Pleo API + MCP](https://www.anchorterminal.com/compare/payhawk-vs-pleo.md)
- [Payhawk API + MCP vs Ramp](https://www.anchorterminal.com/compare/payhawk-vs-ramp.md)
- [Payhawk API + MCP vs Spendesk API + MCP](https://www.anchorterminal.com/compare/payhawk-vs-spendesk.md)