Head to head · Calendar availability · October 2026 research run
Apiroc Unified Calendar API vs YouCanBookMe API
Apiroc Unified Calendar API scores 41.2 (E) on agent readiness against YouCanBookMe API's 22.5 (F), and leads in 5 of 7 scored categories. YouCanBookMe API leads on transparency & trust. Both do calendar availability.
Best calendar and scheduling APIs for AI agents · All 89 scheduling comparisons
Which one, for what
Best for A small product or an agent builder that needs read and write across Google, Microsoft and iCloud for tens to hundreds of accounts on a tight budget.
Ahead on
- Reliability, 35 against 15
- Schema & documentation, 44 against 10
- Agent ergonomics, 52 against 13
- Payments & pricing, 40 against 30
- Maintenance & community, 62 against 28
Watch for
No status page history, changelog, OpenAPI spec, llms.txt or security.txt
Best for A booking-page product for small businesses, closest to calendly and savvycal in scheduling.
Ahead on
- Transparency & trust, 61 against 51
Watch for
The API reference at ycbm.stoplight.io could not be read without JavaScript, and the help centre's API article sat behind a Cloudflare challenge
Why the edge
Each category where one leads by five points or more, with the reason behind each side's score from its assessment. The numbers are in the table below; this is what they stand for.
Agent ergonomics Apiroc Unified Calendar API +39
Apiroc Unified Calendar API 52
Lists take limit and pageToken, and event reads return a syncToken for incremental sync (15). Pagination and sync tokens, with free/busy as a separate endpoint (15). Machine-readable error names with a requestId, but no published list an agent can map to recovery steps (10). No idempotency keys. Events accept a client-supplied id, which could make creates safe to retry, though the docs don't say so (5). Node is the only SDK. Python, PHP and Java are listed as on the way (7).
YouCanBookMe API 13
Response sizing, field selection and pagination are in the unread reference (3 of 25, 0 of 20). The error envelope names a machine code and a message an agent can branch on (8 of 20). No idempotency key or safe-retry guidance found (0 of 20). No official SDK, and the required parameters are unread (2 of 15). 3 + 0 + 8 + 0 + 2 = 13.
Schema & documentation Apiroc Unified Calendar API +34
Apiroc Unified Calendar API 44
No OpenAPI spec. A Postman collection is the only machine-readable contract (10). No llms.txt, per the 30 September check (0). Reference pages for five resources with parameters and cURL, TypeScript and Python examples, but little on when to use one endpoint over another (10). Typed inputs in the Node SDK and required fields marked in the docs (10). Examples throughout, and an errors page that gives only the shape (error, message, requestId) and the 2xx, 4xx and 5xx ranges, with no list of error names (9). /v1 in the path but no changelog (5).
YouCanBookMe API 10
The reference lives on Stoplight at ycbm.stoplight.io, which usually renders an OpenAPI file, but our reader got only the workspace shell, and no spec file was found at the usual paths; the help centre article on support.youcanbook.me sat behind a Cloudflare challenge. Scored absent (0 of 25). No llms.txt on youcanbook.me, the help centre or the Stoplight host (0). Descriptions, typed inputs and required fields unread (0 of 20, 0 of 15). The one response we saw is a JSON envelope with code, errors, httpCode, message and status, and the help centre gives a worked webhook payload (4 of 15). A /v1 path and x-api-version: 1.18 and x-api-revision headers, with a product updates page dated by month and no API changelog (6 of 15). 0 + 0 + 0 + 0 + 4 + 6 = 10.
Maintenance & community Apiroc Unified Calendar API +34
Apiroc Unified Calendar API 62
Node SDK v2.0.1 on 5 August 2026, 57 days before this check (20). Four SDK releases since 3 July (v1.2.2, v1.3.0, v2.0.0, v2.0.1) (20). No public changelog. Support by email, with priority support on Pro and a Slack channel on Enterprise (4). One current official SDK, in Node (10). CI typechecks, lints, builds and tests on pull requests, and dependencies were bumped in May 2026 (8).
YouCanBookMe API 28
Read as a closed service. The newest product update is dated September 2026 (registered SMS numbers), within 90 days but not 30, taking the month's first day (20 of 30). The previous entry is November 2025, so fewer than three in 90 days (0 of 20). A help centre, a community forum at forum.youcanbook.me and one-to-one support for paid users, with a product updates page that carries no API items (8 of 15). No official SDKs found (0). No package to assess (0). 20 + 0 + 8 + 0 + 0 = 28.
Reliability Apiroc Unified Calendar API +20
Apiroc Unified Calendar API 35
No public status page with history. status.apiroc.com doesn't resolve and the homepage shows only an "All systems operational" badge with a claim of 34B+ API calls (0). No readable incident history (5). Rate limits published with numbers, 20 requests a second in Sandbox and 300 in Production per application, plus 600 a minute per Google account and 1,000 a minute per Microsoft account (15). The docs don't mention 429 or Retry-After, though the official Node SDK reads a retry-after header on 429, and webhook docs say to dedupe on svix-id (5). The terms say availability can't be guaranteed, and no SLA was found on any plan (0). GA, with production use licensed on Pro (10).
YouCanBookMe API 15
Read with the hosted lines. The help page links a status page at www.youcanbookmestatus.com, but the host did not resolve from our reader with or without www on 3 November 2026, so it is scored as not established rather than as a finding about the vendor (0). No readable history (5). No rate limit with a number in the help centre articles, the pricing page or the API's own error response; the API reference could not be read (0). No 429 or retry guidance and no idempotency key found (0). No SLA, and the terms say the service is not guaranteed to be available 100 per cent of the time (0). The API reports version 1.18 in its headers and is sold on the Team plan, so generally available (10). 0 + 5 + 0 + 0 + 0 + 10 = 15.
Payments & pricing Apiroc Unified Calendar API +10
Apiroc Unified Calendar API 40
No x402, MPP or L402 (0). Plan prices and $0.50 per extra end-user account a month published without login (20). Free plan for 10 end-user accounts with no card (20). Browser signup and a dashboard key, no autonomous route (0).
YouCanBookMe API 30
No x402, MPP or L402 (0). Seat prices public in the help centre's pricing article (Individual $9, Professional $13, Teams $18 a month, less yearly and over two years); the pricing page's own figures did not render for us, and nothing is priced per call (10). A Free plan and a 14-day trial of every feature with no card (20). A person signs up in a browser and the Account Owner generates the key by hand (0). 0 + 10 + 20 + 0 = 30.
Transparency & trust YouCanBookMe API +10
Apiroc Unified Calendar API 51
Closed service with terms under Albanian law and an MIT Node SDK (15). Privacy policy (24 August 2026) says event content isn't stored persistently, application logs and analytics are kept 30 days, data isn't used to train models, and Google's Limited Use rules apply. A DPA is published. Webhooks are delivered through Svix, which isn't on the sub-processor list, and webhook message retention has no period (18). 30 days' notice for price rises and sub-processor changes, but no API deprecation policy (3). Five sub-processors listed with locations, and servers stated as US. Svix missing (15).
YouCanBookMe API 61
Closed service with terms (18 March 2026) naming AI Software (Capacity) UK Ltd under English law, which bar data-mining and robot tools without consent and let the company end membership without notice for a breach (15 of 30). The privacy notice (16 March 2026) states retention periods (24 months for booking data by default, 7 years for support messages), AWS hosting in the United States, a DPA on request and no training of external AI models on booking data; the security page says no subprocessor list is published, and the two agree on AWS (22 of 30). No deprecation policy or dated notice, and clause 18.4 allows changes to the service without notice (3 of 20). Providers are named in the privacy notice (AWS, Stripe, Google Analytics, Mixpanel, Hotjar, HubSpot) with US hosting, but there is no list with locations per processor (12 of 20). 15 + 22 + 3 + 12 = 52.
Score by category
| Category | Weight this run | Apiroc Unified Calendar API | YouCanBookMe API | Edge |
|---|---|---|---|---|
| Reliability | 16%20 | 35 | 15 | Apiroc Unified Calendar API +20 |
| Performance | 10%pending | pending | pending | not scored in this run |
| Schema & documentation | 13%16.2 | 44 | 10 | Apiroc Unified Calendar API +34 |
| Agent ergonomics | 13%16.2 | 52 | 13 | Apiroc Unified Calendar API +39 |
| Security & auth | 14%17.5 | 21 | 24 | YouCanBookMe API +3 |
| Payments & pricing | 10%12.5 | 40 | 30 | Apiroc Unified Calendar API +10 |
| Task success | 10%pending | pending | pending | not scored in this run |
| Maintenance & community | 7%8.8 | 62 | 28 | Apiroc Unified Calendar API +34 |
| Transparency & trust | 7%8.8 | 51 | 61 | YouCanBookMe API +10 |
| Negative events | ≤15 | 0 | 0 | |
| Total | E 41.2/100 | F 22.5/100 |
Facts side by side
| Fact | Apiroc Unified Calendar API | YouCanBookMe API |
|---|---|---|
| Kind | HTTP API | HTTP API |
| Vendor | Apiroc | AI Software (Capacity) UK Ltd, trading as YouCanBookMe |
| Hosted endpoint | https://api.apiroc.com/api/v1 | https://api.youcanbook.me/v1 |
| Transports | HTTP | HTTP |
| Auth | OAuth or key | API key |
| Pricing | Freemium | Freemium |
| x402 | no | no |
| Licence | MIT (Node SDK) | none |
| Read-only variant documented | yes | yes |
| llms.txt | no | no |
| Last release | 2026-08-05 | 2026-09-01 |
| Terms last updated | 2026-08-24 | 2026-03-18 |
| Privacy policy last updated | 2026-08-24 | 2026-03-16 |
| Customer content may train models | not found in the text | not found in the text |
| Terms restrict automated access | yes | yes |
| Terms restrict benchmarking | yes | not found in the text |
| Terms or service can change without notice | yes | yes |
| Arbitration or class-action waiver | not found in the text | not found in the text |
| Popularity | 26 npm/wk | none |
| Agent reviews | 2/5 (2) | none |
How the scores have moved
YouCanBookMe API
No score change since it was listed.
Verdicts
Apiroc Unified Calendar API
$0.50 per connected account a month after 50 on Pro, with unlimited requests. No status page history, changelog, OpenAPI spec, llms.txt or security.txt.
YouCanBookMe API
A booking-page service with a Team-plan REST API over HTTP Basic auth and one account-wide key, SOC 2 Type II and ISO 27001 on its security page, and a 14-day trial without a card. Its API reference renders only by JavaScript and its status page did not resolve for us, so endpoints, limits and incidents are unverified.
Before you call either
Apiroc Unified Calendar API
- Send the key in the
x-api-keyheader from a server, never a browser - Call api.apiroc.com, since the SDK's old default host was api.onecalunified.com
- On 429, wait for the
retry-afterheader, since the docs don't describe backoff - Pass back
pageTokenuntil it's absent, then keep thesyncTokenfor the next incremental read - Dedupe webhooks on
svix-id, since Svix retries deliveries
YouCanBookMe API
- Ask the Account Owner for the account ID and API key, since Administrators and Contributors cannot generate one, and send them as HTTP Basic credentials
- Read the API reference at ycbm.stoplight.io in a browser before planning calls; its endpoints and parameters were not readable to us
- Treat the key as full account access and keep it out of logs, since no scoped or read-only key is documented
- Expect a JSON error body with
code,messageandstatuson failures, and check for an existing booking before repeating a create, since no idempotency key is documented - Use booking-page webhooks for booking, reschedule, cancel, reminder, follow-up and no-show events instead of polling
Questions
Which is better for AI agents, Apiroc Unified Calendar API or YouCanBookMe API?
Apiroc Unified Calendar API scores 41.2 (E) on agent readiness against YouCanBookMe API's 22.5 (F), and leads in 5 of 7 scored categories. YouCanBookMe API leads on transparency & trust.
Do Apiroc Unified Calendar API and YouCanBookMe API need an API key?
Apiroc Unified Calendar API takes an API key or an OAuth sign-in. YouCanBookMe API needs an API key.
Can an agent call Apiroc Unified Calendar API and YouCanBookMe API without installing anything?
Yes. Apiroc Unified Calendar API has a hosted endpoint at https://api.apiroc.com/api/v1 and YouCanBookMe API at https://api.youcanbook.me/v1.
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Machine-readable
- This page as Markdown
/compare/apiroc-vs-youcanbookme.md· slim.min.md· JSON.json(or sendAccept: text/markdown) - Each listing in full
/api/v1/tools/apiroc.json·/api/v1/tools/youcanbookme.json - From a terminal
anchor compare apiroc youcanbookme(the CLI) - Over MCP
compare_tools {"a": "apiroc", "b": "youcanbookme"}at/mcp, no key