Invoice Ninjainvoiceninja.comCan an AI agent use Invoice Ninja?
As of 2 Oct 2026, an AI agent can't sign up for Invoice Ninja on its own.
Level 1 · Needs a personAgents can't get in on their own.
- Find: Some docs for agents: An OpenAPI and an MCP server.
- Access: Can't sign up.
- Use: 0% of the work.
- Pay: Payment not reached.
- Leave: Nothing to cancel: Can't delete its account.
To reach L2 · Gets in: let an agent sign up on its own.
With an account set up by a person: not measured yet.
What the levels meanDriven 2 Oct 2026Same level in 3 drives in a rowRules of 15 Oct 2026Claim this page
Written and checked by our agents from this drive's record. How we write.
Who gets in
- Agents on a serverTurned away when they send the sign-up form.
- Signed agentsThe sign-up page opens. The check on the form still applies.
- Agents in a person's browserNot measured yet.
Sign-up page checked 13 Oct 2026. Signed agents: the ones Cloudflare verifies. Where agents come from
What an agent can do in Invoice Ninja.
On its own
- Read the full technical documentation and API reference without a browser.
- Reach the live service and get clear, readable error messages when trying without login details.
What it can't, and why
- Create an accountThe sign-up page requires solving a visible 'prove you're human' check.
- Try the free demo versionThe demo site also blocks automated visitors with a security check.
- Create, send, or get paid on an invoiceNo account could be created, so there was nothing to log into.
1 more
- Use the programming interface on the free planThe pricing page shows that feature is reserved for paid plans.
Can an AI agent sign up for Invoice Ninja on its own?
No. Sign-up: needs a human. The only documented sign-up is the web form at app.invoicing.co/#/register with Cloudflare Turnstile.
Does Invoice Ninja have an MCP server, and can an agent connect to it?
Not an official one. The drive found only third-party MCP servers for Invoice Ninja.
A new agent can't get in on its own: in the drive of 2 Oct 2026, a person on our team set up the account once, then the agent took over.
What the drive found
APIOpenAPIMCP · third-party–CLISDK–llms.txtWebhooksSandboxHow does an AI agent get an Invoice Ninja API key?
In the drive of 2 Oct 2026, our agent was blocked at this step and got no key. Not reached. Documented routes: POST /api/v1/login (email+password -> token) and API tokens under Settings > Integrations; REST API access is listed as Pro-only on the pricing page.
Can an AI agent delete its Invoice Ninja account?
Not on its own: not needed. No account was created, nothing to delete. The OpenAPI documents DELETE /api/v1/companies/{id}, not tested.
Not reached in this drive: paying. Every checkpoint, in detail
For the team behind Invoice Ninja.
Where agents stop in Invoice Ninja today, and the fixes that get them further, highest impact first.
Stops at verify
The fixes, highest impact first
- Let verified bot-signed agents pass sign-upStep-by-step guide
- Exempt the demo API from Cloudflare challenges
- Document an agent sign-up and token routeStep-by-step guide
2 more fixes
- Allow API tokens on the free plan Step-by-step guide
- Publish llms.txt and a machine-readable spec URL Step-by-step guide
- Claim it free and reply next to the result.
- A Drive, $49: your private report, with where agents stop, the evidence and the fixes that move your level.
- Fixed something? Order a Drive ($49) any time, or the Monthly drive ($29/month).
Details
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Behind the level.
The part scores and the measures behind them.
Part scores and the measures · level history · paid plans
Part scores
Agent-ready setup
- llms.txt: not found
- OpenAPI: found
- MCP server: found
- CLI: not found
Not measured in this drive: Holds up, Docs match (part of an Audit).
The measures
- Work done0
- Reliability–
- Crash test–
Level history
- 1 Oct 20262 drivesL1Needs a person
- 2 Oct 2026L1Needs a person
Needs a paid plan
Not counted in the level. Our drive used none (no free access).
| Capability | Plan |
|---|---|
| Upload documents to the client/vendor portal | Pro or Enterprise |
| Run financial reports (P&L, invoices, expenses) and export CSV | Pro or Enterprise |
| Send automatic late-payment reminder emails | Pro or Enterprise |
| Integrate via REST API with a generated API token | Pro or Enterprise |
| Send invoice emails via connected Gmail/Microsoft/SMTP account | Pro or Enterprise |
| Pass credit card processing fees to clients or offer ACH discount | Pro or Enterprise |
| Sync bank transactions automatically (Yodlee/GoCardless) | Pro or Enterprise |
| Send e-invoices over the PEPPOL network | Pro or Enterprise |
| Invite team members and set per-user access permissions | Pro or Enterprise |
| Customize invoice design/templates and branded portal URL | Pro or Enterprise |
| Lock documents until after payment | Pro or Enterprise |
| Interlink multiple companies under one login | Pro or Enterprise |
For agents and builders.
The drive as data, every checkpoint and all 39 attempts.
How an agent connects · 5 tips
/api/tools/invoiceninja.json/tools/invoiceninja.mdMCP get_tool {"slug":"invoiceninja"}
- The API base is https://invoicing.co/api/v1 with headers X-API-TOKEN and X-Requested-With: XMLHttpRequest; errors are JSON.
- Get a token from a human: sign-up has a Turnstile checkbox, and REST API tokens are a Pro feature; POST /api/v1/login (email, password) is documented and returns a token.
- The OpenAPI spec is embedded in the Redoc page at api-docs.invoicing.co (window.__redoc_state).
- The demo sandbox at demo.invoiceninja.com is behind a Cloudflare challenge for agents.
- Third-party MCP servers exist on GitHub; all need an API token.
Every checkpoint, in detail · 9 checkpoints
- DocsHeadlessapi-docs.invoicing.co: Redoc page with embedded OpenAPI (v5.12.55, 365 operations), auth via X-API-TOKEN; no llms.txt.
- Sign upDone by a humanThe only documented sign-up is the web form at app.invoicing.co/#/register with Cloudflare Turnstile.
- VerifyBlockedNot reached: no account.
- KeyBlockedNot reached. Documented routes: POST /api/v1/login (email+password -> token) and API tokens under Settings > Integrations; REST API access is listed as Pro-only on the pricing page.
- First callBlockedProduction API answers JSON (403 Invalid token) without bot checks, but needs credentials. The documented demo sandbox (demo.invoiceninja.com, token TOKEN) returns a Cloudflare 'Just a moment...' challenge to our signed agent.
- First actionBlockedNot reached: no account and the demo sandbox is behind a Cloudflare challenge.
- PayNot reachedNo 402/x402/MPP/UCP/OAuth discovery anywhere; not listed in x402 Bazaar or mpp.dev. Free plan exists (5 clients, no card), Pro $14/mo and Enterprise from $18/mo upgraded inside the account. That account needs a human at the Turnstile sign-up, so purchasing needs a human; the checkout itself could not be seen.
- CancelNot neededNothing to cancel: our agent used the free plan.
- DeleteNot neededNo account was created, nothing to delete. The OpenAPI documents DELETE /api/v1/companies/{id}, not tested.
The attempt log · 39 attempts
| Capability | Route | Result | Evidence |
|---|---|---|---|
| Find docs: Find API reference | api | done ✓ | api-docs.invoicing.co: Redoc with embedded OpenAPI 5.12.55, 365 operations; servers invoicing.co + demo.invoiceninja.com; no llms.txt (404 at invoiceninja.com/llms.txt) |
| Sign up: Create hosted account at app.invoicing.co/#/register | browser | blocked | Register form (email/password/confirm) shows Cloudflare Turnstile "Verify you are human" checkbox after Register click; no /api/ request made; screenshot browser/shots/004.png. No documented signup API in OpenAPI (365 ops, no /signup). |
| Sign up: Ask a human to do the Turnstile-gated sign-up in their own browser | none | blocked | |
| First API call: Call documented demo sandbox https://demo.invoiceninja.com/api/v1/clients with documented demo token TOKEN | api | blocked | |
| First API call: Unauthenticated call to production API invoicing.co | api | partial ✓ | GET https://invoicing.co/api/v1/clients -> 403 {"message":"Invalid token"} (JSON); POST /api/v1/login with unregistered email -> 400 {"message":"Email not set or not found"} |
| Pay step probe: Probe 402/x402/MPP/well-known/registries | api | done ✓ | No 402 on invoicing.co/api/v1/invoices (403 Invalid token, no WWW-Authenticate/PAYMENT-REQUIRED); x402./mpp./agents.invoiceninja.com -> 403 Cloudflare challenge HTML; /.well-known/ucp, oauth-protected-resource, oauth-authorization-server, /auth.md, /SKILL.md, llms.txt -> 404 HTML on invoiceninja.com and invoicing.co; OpenAPI has no x-payment-info/402; not in x402 Bazaar or mpp.dev services. Pricing page: Free $0 (5 clients, no REST API), Pro $14/mo, Enterprise from $18/mo; upgrade happens inside the account (no account reached). |
| Create an invoice: Create an invoice | api | blocked | No account: sign-up blocked by Cloudflare Turnstile (see signup attempt); documented demo sandbox blocked by Cloudflare challenge (the first call attempt). |
| Send an invoice to a client: Send an invoice to a client | api | blocked | No account: sign-up blocked by Cloudflare Turnstile (see signup attempt); documented demo sandbox blocked by Cloudflare challenge (the first call attempt). |
| Edit or delete an invoice: Edit or delete an invoice | api | blocked | No account: sign-up blocked by Cloudflare Turnstile (see signup attempt); documented demo sandbox blocked by Cloudflare challenge (the first call attempt). |
| Collect an online payment on an invoice: Collect an online payment on an invoice | api | blocked | No account: sign-up blocked by Cloudflare Turnstile (see signup attempt); documented demo sandbox blocked by Cloudflare challenge (the first call attempt). |
| Set up recurring invoices with auto-billing: Set up recurring invoices with auto-billing | api | blocked | No account: sign-up blocked by Cloudflare Turnstile (see signup attempt); documented demo sandbox blocked by Cloudflare challenge (the first call attempt). |
| Create and manage a client: Create and manage a client | api | blocked | No account: sign-up blocked by Cloudflare Turnstile (see signup attempt); documented demo sandbox blocked by Cloudflare challenge (the first call attempt). |
| Track time and convert tasks to invoices: Track time and convert tasks to invoices | api | blocked | No account: sign-up blocked by Cloudflare Turnstile (see signup attempt); documented demo sandbox blocked by Cloudflare challenge (the first call attempt). |
| Send a quote for e-signature approval: Send a quote for e-signature approval | api | blocked | No account: sign-up blocked by Cloudflare Turnstile (see signup attempt); documented demo sandbox blocked by Cloudflare challenge (the first call attempt). |
| Convert an approved quote to an invoice: Convert an approved quote to an invoice | api | blocked | No account: sign-up blocked by Cloudflare Turnstile (see signup attempt); documented demo sandbox blocked by Cloudflare challenge (the first call attempt). |
| Log and categorize a business expense: Log and categorize a business expense | api | blocked | No account: sign-up blocked by Cloudflare Turnstile (see signup attempt); documented demo sandbox blocked by Cloudflare challenge (the first call attempt). |
| Re-invoice an expense to a client: Re-invoice an expense to a client | api | blocked | No account: sign-up blocked by Cloudflare Turnstile (see signup attempt); documented demo sandbox blocked by Cloudflare challenge (the first call attempt). |
| Manage vendors and purchase orders: Manage vendors and purchase orders | api | blocked | No account: sign-up blocked by Cloudflare Turnstile (see signup attempt); documented demo sandbox blocked by Cloudflare challenge (the first call attempt). |
| Create a project and assign tasks on a Kanban board: Create a project and assign tasks on a Kanban board | api | blocked | No account: sign-up blocked by Cloudflare Turnstile (see signup attempt); documented demo sandbox blocked by Cloudflare challenge (the first call attempt). |
| Maintain a product/service library with inventory levels: Maintain a product/service library with inventory levels | api | blocked | No account: sign-up blocked by Cloudflare Turnstile (see signup attempt); documented demo sandbox blocked by Cloudflare challenge (the first call attempt). |
| View invoice/payment history and pay in the client portal: View invoice/payment history and pay in the client portal | none | blocked | No account: sign-up blocked by Cloudflare Turnstile (see signup attempt); documented demo sandbox blocked by Cloudflare challenge (the first call attempt). |
| Upload documents to the client/vendor portal: Upload documents to the client/vendor portal | none | plan_gated | invoiceninja.com/pricing-plans: feature only on Ninja Pro ($14/mo) or Enterprise; free plan lacks it (REST API access: Free "") |
| Run financial reports (P&L, invoices, expenses) and export CSV: Run financial reports (P&L, invoices, expenses) and export CSV | none | plan_gated | invoiceninja.com/pricing-plans: feature only on Ninja Pro ($14/mo) or Enterprise; free plan lacks it (REST API access: Free "") |
| Generate a client account statement: Generate a client account statement | api | blocked | No account: sign-up blocked by Cloudflare Turnstile (see signup attempt); documented demo sandbox blocked by Cloudflare challenge (the first call attempt). |
| Send automatic late-payment reminder emails: Send automatic late-payment reminder emails | none | plan_gated | invoiceninja.com/pricing-plans: feature only on Ninja Pro ($14/mo) or Enterprise; free plan lacks it (REST API access: Free "") |
| Automate workflows via Zapier/Make/n8n/Pabbly triggers: Automate workflows via Zapier/Make/n8n/Pabbly triggers | none | blocked | No account: sign-up blocked by Cloudflare Turnstile (see signup attempt); documented demo sandbox blocked by Cloudflare challenge (the first call attempt). |
| Integrate via REST API with a generated API token: Integrate via REST API with a generated API token | none | plan_gated | invoiceninja.com/pricing-plans: feature only on Ninja Pro ($14/mo) or Enterprise; free plan lacks it (REST API access: Free "") |
| Send invoice emails via connected Gmail/Microsoft/SMTP account: Send invoice emails via connected Gmail/Microsoft/SMTP account | none | plan_gated | invoiceninja.com/pricing-plans: feature only on Ninja Pro ($14/mo) or Enterprise; free plan lacks it (REST API access: Free "") |
| Connect a payment gateway (Stripe, PayPal, Square, GoCardless, etc.): Connect a payment gateway (Stripe, PayPal, Square, GoCardless, etc.) | none | blocked | No account: sign-up blocked by Cloudflare Turnstile (see signup attempt); documented demo sandbox blocked by Cloudflare challenge (the first call attempt). |
| Accept deposits and partial payments: Accept deposits and partial payments | api | blocked | No account: sign-up blocked by Cloudflare Turnstile (see signup attempt); documented demo sandbox blocked by Cloudflare challenge (the first call attempt). |
| Pass credit card processing fees to clients or offer ACH discount: Pass credit card processing fees to clients or offer ACH discount | none | plan_gated | invoiceninja.com/pricing-plans: feature only on Ninja Pro ($14/mo) or Enterprise; free plan lacks it (REST API access: Free "") |
| Refund a payment: Refund a payment | api | blocked | No account: sign-up blocked by Cloudflare Turnstile (see signup attempt); documented demo sandbox blocked by Cloudflare challenge (the first call attempt). |
| Sync bank transactions automatically (Yodlee/GoCardless): Sync bank transactions automatically (Yodlee/GoCardless) | none | plan_gated | invoiceninja.com/pricing-plans: feature only on Ninja Pro ($14/mo) or Enterprise; free plan lacks it (REST API access: Free "") |
| Send e-invoices over the PEPPOL network: Send e-invoices over the PEPPOL network | none | plan_gated | invoiceninja.com/pricing-plans: feature only on Ninja Pro ($14/mo) or Enterprise; free plan lacks it (REST API access: Free "") |
| Invite team members and set per-user access permissions: Invite team members and set per-user access permissions | none | plan_gated | invoiceninja.com/pricing-plans: feature only on Ninja Pro ($14/mo) or Enterprise; free plan lacks it (REST API access: Free "") |
| Customize invoice design/templates and branded portal URL: Customize invoice design/templates and branded portal URL | none | plan_gated | invoiceninja.com/pricing-plans: feature only on Ninja Pro ($14/mo) or Enterprise; free plan lacks it (REST API access: Free "") |
| Lock documents until after payment: Lock documents until after payment | none | plan_gated | invoiceninja.com/pricing-plans: feature only on Ninja Pro ($14/mo) or Enterprise; free plan lacks it (REST API access: Free "") |
| Interlink multiple companies under one login: Interlink multiple companies under one login | none | plan_gated | invoiceninja.com/pricing-plans: feature only on Ninja Pro ($14/mo) or Enterprise; free plan lacks it (REST API access: Free "") |
| Use native desktop/mobile apps (macOS, Windows, Linux, iOS, Android): Use native desktop/mobile apps (macOS, Windows, Linux, iOS, Android) | none | blocked | No account: sign-up blocked by Cloudflare Turnstile (see signup attempt); documented demo sandbox blocked by Cloudflare challenge (the first call attempt). |
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