{"service":"tinytools","version":"v1","description":"One shelf of small, guaranteed tools — callable by code (this API) and by agents (MCP).","mcp":"https://tinytools.pro/api/mcp","openapi":"/api/v1/openapi.json","auth":"Bearer key required on every POST. Create a key with TinyTools Pro at https://tinytools.pro/dashboard, then send `Authorization: Bearer <key>`. The same key works for the MCP server.","operations":[{"name":"tinytools_check_email_auth","path":"/api/v1/check_email_auth","title":"Check email authentication (SPF, DKIM, DMARC)","description":"Read a domain's live DNS and report whether its SPF, DKIM and DMARC are set up correctly — and emit the exact corrected records to publish so its mail reaches the inbox instead of spam. Auto-detects the domain's email senders. Keeps SPF within the 10-lookup limit. Reads only public DNS; stores nothing.","credits":1,"readOnly":true},{"name":"tinytools_settle_expenses","path":"/api/v1/settle_expenses","title":"Split group expenses in the fewest transfers","description":"Split shared expenses across a group and return who owes whom in the mathematically fewest transfers, with every balance netting to exactly zero. Handles equal / exact / percent / shares splits, multiple payers, part-payments already made, and multiple currencies. Amounts are ordinary major units. Nothing stored.","credits":1,"readOnly":true},{"name":"tinytools_convert_time","path":"/api/v1/convert_time","title":"Convert a time across time zones","description":"Convert a wall-clock time in one time zone into any number of other zones, DST-correct. Give the time as it reads on the clock in the source zone; get each target zone's local time, UTC offset, abbreviation, and day-offset. Computed offline against IANA data — no network, nothing stored.","credits":1,"readOnly":true},{"name":"tinytools_plan_leave","path":"/api/v1/plan_leave","title":"Plan the optimal days to take off","description":"Given a country, a year and how many paid leave days you have, compute the provably-optimal days to book off for the most total time away — bridging public holidays and weekends into long breaks. Loads the country's public holidays and weekend pattern for you. Returns the exact dates, the resulting breaks, and optional high-leverage add-ons.","credits":1,"readOnly":true},{"name":"tinytools_seat_guests","path":"/api/v1/seat_guests","title":"Seat guests with zero rule violations","description":"Assign guests to tables so every keep-together / keep-apart / pin rule is satisfied — provably, because the plan is validated before it's returned. If the rules can't all be met, it names the exact impossibility and the smallest fix instead of a broken chart. Deterministic. Nothing stored.","credits":1,"readOnly":true},{"name":"tinytools_compute_invoice","path":"/api/v1/compute_invoice","title":"Compute invoice totals","description":"Compute an invoice's line totals, subtotal, discount, tax and balance due with exact, provably-correct money math (round each line, discount before tax, half-away rounding). Amounts are given in ordinary major units (e.g. 40.00). Pure calculation; nothing stored.","credits":1,"readOnly":true},{"name":"tinytools_render_email_signature","path":"/api/v1/render_email_signature","title":"Render an email signature (HTML)","description":"Design a professional email signature and get bulletproof, table-based, inline-styled HTML that renders reliably in Gmail, Outlook and Apple Mail — ready to paste. Fill the fields you want; empty ones are omitted. URLs and colours are sanitised. Nothing stored.","credits":1,"readOnly":true},{"name":"tinytools_tabulate_poll","path":"/api/v1/tabulate_poll","title":"Tabulate a ranked-choice or approval poll","description":"Decide a group choice from a set of ballots and return the winner WITH the proof: for ranked ballots, the full round-by-round instant-runoff elimination (who is eliminated, where their votes transfer, and when the majority is reached), plus a Condorcet head-to-head cross-check that flags the rare case where the runoff and the pairwise winner disagree. Also supports approval voting. Deterministic; nothing is stored. Options and ballots are plain labels.","credits":1,"readOnly":true},{"name":"tinytools_capture_url","path":"/api/v1/capture_url","title":"Screenshot or PDF a web page","description":"Render any public web page to a PNG/JPEG screenshot or a full-page PDF and return a temporary download link. Supports full-page capture, viewport width, and retina (2x). Refuses private/internal addresses. The rendered file is stored briefly and the link expires; nothing about the page content is retained.","credits":5,"readOnly":false},{"name":"tinytools_resize_image","path":"/api/v1/resize_image","title":"Resize an image to exact pixels + file size","description":"Resize a photo or signature to an EXACT width×height AND an exact file-size window in KB — what exam, passport, and visa upload portals require. Returns a JPEG (base64). A file that compresses below the minimum is byte-padded up losslessly; DPI can be stamped into the header. Deterministic; nothing is stored.","credits":2,"readOnly":false}]}