# 8 AgentMessage alternatives in 2026 Last updated: November 9, 2026. The best alternatives to AgentMessage for phone validation APIs: Trestle, Data247 and Abstract API, by our benchmark. AgentMessage's website is agentmessage.io. ## Phone validation API alternatives [Trestle](https://datacircle.dev/validate-phone-apis/trestle/free#top-up-from-10-self-serve-pay-as-you-go-get-3-0-phone-intel-phone-validation-api), [Data247](https://datacircle.dev/validate-phone-apis/data247/12-pack-membership-get-v3-0-verify247-phone) and [Abstract API](https://datacircle.dev/validate-phone-apis/abstract-api/free#19-monthly-starter-5000-requests-month) are the best [phone validation API providers](https://datacircle.dev/best-phone-validation-api) in the Datacircle benchmark. On our [AgentMessage plan pages](https://datacircle.dev/validate-phone-apis/agentmessage/top-up-from-5), we compare each AgentMessage plan with other providers' plans. We list other providers' plans below. - [Addressfinder, contact us](https://datacircle.dev/validate-phone-apis/addressfinder/free#contact-us): no price per 1,000 phones - [CallerAPI, contact us, Enterprise transparency $40,000+, GET /api/network-lookup/{phone}](https://datacircle.dev/validate-phone-apis/callerapi/free-trial-get-api-network-lookup-phone#contact-us-enterprise-transparency-40000-get-api-network-lookup-phone): no price per 1,000 phones - [ClearoutPhone, top-up, One Time, any number of credits, POST /v1/phonenumber/bulk, Bulk Phone Number Validation, smart mode](https://datacircle.dev/validate-phone-apis/clearoutphone/free-credits-post-v1-phonenumber-bulk-bulk-phone-number-validation-smart-mode#top-up-one-time-any-number-of-credits-post-v1-phonenumber-bulk-bulk-phone-number-validation-smart-mode): no price per 1,000 phones - [EasySendSMS, top-up, Prepaid credits, POST /v1/rest/nv/query](https://datacircle.dev/validate-phone-apis/easysendsms/free-trial-post-v1-rest-nv-query#top-up-prepaid-credits-post-v1-rest-nv-query): no price per 1,000 phones - [HLR Lookups, contact us, Postpaid account, POST /mnp-lookups](https://datacircle.dev/validate-phone-apis/hlr-lookups/free-100-free-lookups-post-mnp-lookups#contact-us-postpaid-account-post-mnp-lookups): no price per 1,000 phones - [Mobica, top-up from €25](https://datacircle.dev/validate-phone-apis/mobica/free#top-up-from-25): no price per 1,000 phones - [Trestle, contact us, Enterprise, GET /2.0/real_contact, Real Contact API, full](https://datacircle.dev/validate-phone-apis/trestle/free#contact-us-enterprise-get-2-0-real-contact-real-contact-api-full): no price per 1,000 phones - [aql, top-up, Prepaid credits, POST /nl/network_lookup.php, Network reference](https://datacircle.dev/validate-phone-apis/aql/free-trial-post-nl-network-lookup-php-network-reference#top-up-prepaid-credits-post-nl-network-lookup-php-network-reference): no price per 1,000 phones Compare every phone validation API plan: [Phone validation API pricing: free and cheapest plans compared](https://datacircle.dev/phone-validation-api-pricing) ## See also - [Addressfinder alternatives](https://datacircle.dev/addressfinder-alternatives) - [CallerAPI alternatives](https://datacircle.dev/callerapi-alternatives) - [ClearoutPhone alternatives](https://datacircle.dev/clearoutphone-alternatives) - [EasySendSMS alternatives](https://datacircle.dev/easysendsms-alternatives) - [HLR Lookups alternatives](https://datacircle.dev/hlr-lookups-alternatives) - [Mobica alternatives](https://datacircle.dev/mobica-alternatives) - [Trestle alternatives](https://datacircle.dev/trestle-alternatives) - [aql alternatives](https://datacircle.dev/aql-alternatives)