{"slug":"pdf-co","name":"PDF.co","domain":null,"verdict":"As of 2026-09-09, Claude, Gemini, Grok collectively rank PDF.co #6 of 10 for pdf form-filling apis for workflow automation. Source: https://modelsagree.com/product/pdf-co (modelsagree.com, CC BY 4.0).","best_rank":6,"categories":1,"entries":[{"slug":"best-pdf-form-filling-apis-for-workflow-automation","title":"Best PDF form-filling APIs for workflow automation","rank":6,"of":10,"score":3,"appearances":1,"modelRanks":{"Grok":3},"reason":"One credit-priced REST surface that fills forms and also extracts fields, flattens, merges, OCRs, and converts, with first-class Zapier/Make/n8n/Power Automate hooks; low entry price so mixed PDF pipelines stay in one account.","reasons":[{"model":"Grok","reason":"One credit-priced REST surface that fills forms and also extracts fields, flattens, merges, OCRs, and converts, with first-class Zapier/Make/n8n/Power Automate hooks; low entry price so mixed PDF pipelines stay in one account."}],"fixes":[{"model":"Grok","fix":"Not for agreement workflows—credits vary by endpoint so unit cost is jumpy, there is no signer routing/audit trail, and field mapping on messy templates is weaker than Anvil/DocSpring."}],"updated":"2026-09-09","rank_history":{"days":["2026-09-07","2026-09-09"],"ranks":[null,3]},"api":"https://modelsagree.com/api/v1/best/best-pdf-form-filling-apis-for-workflow-automation.json"}],"page":"https://modelsagree.com/product/pdf-co","check":"https://modelsagree.com/check?q=PDF.co","updated":"2026-09-09T13:07:58.066Z","attribution":"modelsagree.com, CC BY 4.0"}